Strawberries pureed with sugar - a recipe for preparing for the winter. Strawberries pureed with sugar can be stored for the winter for six months. Wild strawberries with sugar for the winter: how to make it right

Wild strawberries are significantly different from garden strawberries, not only in size, but also in taste. You need to prepare such berries for future use according to special recipes, so as not to destroy its special charm. Wild strawberries, pureed with sugar, can be used as an independent dessert, included in other delicacies, or served with sandwiches for breakfast. We offer 5 recipes according to which strawberries can be prepared for the winter.

Culinary secrets

Before you start making wild strawberry jam, we suggest that you familiarize yourself with some recommendations. They will be especially useful for young housewives.

It is advisable to pick strawberries in the morning, in sunny weather. Then the berries will be sweeter. Strawberries picked in cloudy weather will turn out watery.
Wild berries can be stored in the refrigerator for 5-7 days, but it is better to make jam from them on the first day.
If you mash the strawberries with a potato masher, they will have a thicker consistency. Using a meat grinder or blender allows you to get a liquid treat.
For storage in the freezer, cold strawberry jam is made with minimum quantity Sahara. If you plan to store the berries in the refrigerator, you need to take no less sugar than strawberries. Cooking berries mashed with sugar allows you to thicken the jam and make it possible to store it at room temperature.
Regardless of which recipe you choose, in what conditions you are going to keep strawberry jam, the jars in which you will place the berries ground with sugar must not only be washed clean, but also sterilized. Don’t be too lazy to boil the lids for them either.
The bitter taste of wild strawberries can be emphasized by adding a little lemon peel to the jam.

By supplementing strawberries with raspberries, blueberries or other wild berries, you will get a delicacy with a new taste.

A simple recipe for pureed strawberries with sugar (no cooking)

What do you need:

strawberries - 5 glasses;
sugar – 5 glasses.

How to cook:

Wash the strawberries and scatter them on a cloth to dry.
Place the berries in a bowl, add sugar and leave for an hour.
Grind with the wooden masher you use to make mashed potatoes, or blend using an immersion blender.
Place clean small jars in the oven, preheat it to 150 degrees. After 15 minutes, remove the jars, let them cool slightly, and fill them with aromatic treats.
After boiling the lids, close the jars with them. Place the cooled jam in the refrigerator, where it can be stored all winter.

You can sterilize jars in any way, not just those described in the recipe. Any lids will also work, even nylon ones. Considering that the strawberries were not subjected to heat treatment, she will save everything useful material.

Recipe for pureed strawberries with sugar for storage in the freezer

What do you need:

wild strawberries – 5 glasses;
granulated sugar - 2 cups.

How to cook:

Rub the strawberries through a sieve or chop with a blender.
Mix with sugar, after grinding it to powder using a coffee grinder.
Place in clean, dry containers, close and store away. winter storage into the freezer.

The dessert according to this recipe turns out to be less sweet and, therefore, less caloric, but freezing can “kill” the bitter taste of wild berries, which gives it a special charm.

Recipe for strawberries pureed with sugar and lemon (with cooking)

What do you need:

strawberries – 1 kg;
sugar – 1 kg;
lemon – 1 pc.

How to cook:

Wash the lemon thoroughly, cut into slices, remove the seeds. Grind the fruit through a meat grinder.
Grind strawberries in the same way.
Mix lemon puree with strawberry puree, add sugar, leave for an hour in a cool place. Don't forget to cover the basin with gauze to protect it from uninvited guests.
Place the bowl of jam on the stove, cook over low heat for 5 minutes after the jam boils, skimming off the foam.
Leave to cool for an hour, then return to the heat. Cook until desired thickness is obtained, but at least 5 minutes.
Place in sterilized jars, roll them up or screw on the lids.

This strawberry jam stands well at room temperature. If you don't have enough space in your refrigerator, sweet preparation For the winter it is advisable to make according to the given recipe.

Strawberries and raspberries pureed with sugar

What do you need:

strawberries – 0.5 kg;
raspberries (preferably forest) – 0.5 kg;
sugar – 1 kg.

How to cook:

Place the berries in a bowl in layers, sprinkling with sugar. Leave for half an hour.
Grind in any way convenient for you or use a blender.
Place in prepared jars, seal, and place in the refrigerator.

If you plan to store strawberry-raspberry jam in the pantry, before putting it into jars, you will have to cook the berry mass over low heat for 15 minutes, skimming off any foam that appears on the surface.

Strawberries and blueberries pureed with sugar

What do you need:

strawberries – 0.5 kg;
blueberries – 0.5 kg;
lemon acid– 1 g;
sugar – 1 kg.

How to cook:

Grind blueberries and strawberries using a blender or meat grinder.
Add sugar and leave for half an hour.
Add citric acid and stir. Leave for another half hour, stir again.
If you wish to store at room temperature in winter, simmer over low heat for 20 minutes. When stored in the refrigerator, you can do without heat treatment so as not to destroy the vitamins that they are rich in. berries. “Live” jam is much healthier.
Place in prepared jars, close them, and store.

Wild berries contain great amount useful elements, rarely cause allergies, have unique taste. Preparing strawberries mashed with sugar for the winter would be an excellent idea, especially if there are children in the family.

Every summer everyone eagerly waits for the strawberries to ripen so that they can fully enjoy their sweet taste and wonderful aroma. But nothing lasts forever, and the berry season is ending. And in order to please yourself with the taste and aroma of summer even in winter frosts, you can prepare jam from strawberries ground with sugar for future use - a recipe for the winter.

Strawberries ground with sugar for the winter - a classic recipe

This is the fastest and easiest way to grind strawberries with sugar without cooking. It is good because it is completely preserved natural taste berries

So, you will need 1 kg of strawberries and 1.3 kg of sugar.

But first you need to prepare the container. Ideally this is glass jars volume no more than 0.5 - 0.6 liters. They need to be sterilized.

You can do this in the following way:

Boil the jars in a large saucepan for about 5 - 10 minutes
hold them over steam for 10 minutes
bake in the oven at 200 degrees for 10 - 15 minutes.

Set aside to cool and dry if necessary.
Boil the lids for at least 5 minutes. It is preferable to take polyethylene or screw caps; metal ones for screwing are not advisable.

Having prepared the jars, it’s time to take on the berries. Strawberries must be sorted, removing spoiled and rotten berries. Rinse 2-3 times; there is no need to keep the berries in water for a long time; they will become saturated with moisture, become watery and lose their taste and aroma. Place in a colander and let the water drain properly - there is no need for excess moisture.
Place clean and dried berries in a deep bowl. Now we need to puree them

The ideal tool for this is a food processor or blender. He will cope with the task in just a couple of minutes. If you don't have a food processor, you can use a meat grinder. In extreme cases, the good old masher will do, but it won’t help you achieve a uniform puree consistency.

Next, you need to add 1 kg of sugar to the strawberry mass (the remainder will be used for making sugar plug in jars) and stir everything thoroughly. Ideally, the sugar should dissolve, so it is better to buy finer sand for this case.
Ready strawberry puree Place in dry jars, not reaching 1 cm from the edge. Sprinkle the remaining sugar on top, distributing it evenly throughout all jars. Close with lids and put in a dark, cool place.

Strawberries prepared in this way can only be stored at a temperature no higher than +5 degrees in the refrigerator or cellar, otherwise they may ferment and will be unsuitable for their intended use. Shelf life - no more than 6 months.

Recipe with lemon or citric acid

If you take less sugar and add lemon juice, you will get strawberry juice. In winter you can make a delicious drink from it.

You need to take 1 kg of berries, sort them, wash them, and dry them. Next, mash the strawberries into puree in any convenient way and add 250 g granulated sugar and 1/2 tsp. citric acid or juice of one lemon. Mix everything well and place in sterile jars. Like classic strawberry with sugar, the juice is stored in a cold place for no more than six months.

To extend the shelf life, the strawberry mass must be boiled for 15 minutes and packaged hot into jars.
Dilute the juice with water in a 1:1 ratio. If the drink seems sour, you can add a little sugar. It will be especially pleasant to drink it after a bath or sauna.

Strawberries mashed with sugar, like jam

You will need:

strawberries - 2 kg
sugar - 1.5 kg
lemon - 1 pc.

So, sorted and washed strawberries must be pureed in any convenient way.
Add sugar, stir well and leave to brew for an hour to an hour and a half.
Squeeze the juice out of the lemon and, if necessary, strain it to get rid of the seeds and parts of the lemon.
Combine sweet puree and lemon juice, stir and put on fire. Cook for at least an hour until the mixture thickens.
Place the finished hot jam into jars, seal it tightly, wrap it up, and let it cool.
Thanks to heat treatment, jam can be stored at room temperature until the next berry harvest.

Cooking features.

Freezing.

Grated strawberries can be frozen. Both with sugar, at a ratio of 1:1, and without sugar. You can add it after defrosting.

First you need to prepare strawberry puree. After this, decompose into plastic containers. It is not necessary to sterilize them. The size should be chosen so that the contents are enough for one time, because after defrosting it will not be possible to store it for a long time.

Place the finished packaged strawberry puree in the freezer.

In this form, the berries can be stored for an unlimited amount of time. At the same time, they retain all the beneficial substances and natural taste of strawberries.

You can use it to prepare various desserts, compote, jelly, dilute it as a fruit drink, or just eat it - it will taste like fresh strawberries with sugar.

Without sterilization

Strawberries ground with sugar without sterilization or any other processing retain all the vitamins and nutrients. She still has the taste of ripe fresh berries. It’s very quick to prepare - you just need to turn the berries into a puree and, adding sugar, stir and place in jars.

But despite the advantages, there are significant disadvantages

Berries that have not undergone heat treatment cannot be stored for a long time. Besides, they need special conditions- cold, dark room, otherwise the workpieces will deteriorate.

The containers must be prepared especially carefully: rinse and sterilize the jars with lids, dry them.

With sterilization

If strawberries with sugar need to be stored all winter or there is not enough space to place all the jars in the refrigerator, then the preparations must be subjected to a sterilization process.

It will take time, but not a single jar will go bad, you won’t have to throw it away, and your work won’t be in vain.

First you need to take a large pan or basin with a flat bottom, copper, for example, or galvanized.
At the bottom, install a grate on which you will need to place the jars. If there is no grate, then lay down material like gauze.
Place the filled jars with strawberries in a boiling container, cover them with lids, but do not seal them.
Pour water up to the neck of the jars and put the whole structure on the fire.
When it boils, reduce the heat to a minimum, do not allow it to boil strongly.
Sterilize the workpieces in this way: 0.5 l - 1 min, 1 l - 15 min.
When will it pass required quantity time, carefully remove the jars from the water so as not to get burned, trying not to move the lids on them, and now seal them hermetically.
Place it all with the lids down to identify possible leaks.
When the jars of strawberries have cooled, store them in a cellar or pantry.

Everyone knows that homemade preparations from various fruits and berries are much healthier than store-bought sweets. However, not everyone likes regular jam, which contains a huge amount of granulated sugar, so many people prefer natural jams. In today's article we will talk about wild berries - strawberries. You will learn how to prepare strawberries pureed with sugar at home.

The taste of this healthy and beloved dessert has been familiar to us since childhood. It is necessary to prepare it in the summer, and in the winter to enjoy the unsurpassed taste and fill the body with a source of vitamin complex. In the cold season, we miss the sun, fresh fruits and vegetables, so our the immune system begins to weaken - an epidemic of colds begins.

Replenish vitamin deficiency and gain vitality Natural strawberries mashed with sugar, which we will prepare today, will help. On top of everything else this healthy treat has an analgesic and anti-inflammatory effect, and also improves peristalsis intestinal tract and normalizes the functionality of the kidneys and liver. Doctors recommend it to people with high blood pressure. In addition, it contains a colossal amount of calcium.

How can you not love her unique and delicate aroma And low calorie content. No wonder she is considered dietary dish. Treat your family to a magical sweet that will not only warm you up, but also keep you healthy.

Strawberries pureed with sugar

Ingredients: kilogram of strawberries (you can take more), 250 gr. granulated sugar, citric acid - 2 gr.

We wash it carefully, being careful not to crush it. Otherwise it will turn out to be a mess. It is better to remove the tails. Cover the clean berries with sugar and leave them in a cool place for a day. Then add lemon and transfer the strawberries into sterilized jars and screw. The healthy and sweet “medicine” is ready.

Berry in its own juice

Natural strawberries will please you for the winter amazing taste. Per kilogram of berries you will need 200-250 grams of sugar. Combine all ingredients and leave overnight to release the juice. The next day, strain the juice into a separate container, and transfer the fruits themselves into jars (previously sterilized). Heat the juice (do not boil) and pour it into jars.

Jam for the winter

Ingredients:

A kilogram of sugar;

Citric acid - 2 g;

Glass of water;

Strawberries.

The preparation allows you to enjoy the magnificent aroma in cold weather. winter evenings. Can be used as medicine, since the dish contains useful microelements(vanadium, manganese, copper, iron, zinc, boron, etc.).

Peel the berries, rinse well and place in a saucepan. Pour in the specified amount of water, cover with a lid, and after boiling, cook for 5 minutes. Grind the softened fruits with a masher or through a sieve (you can use a blender or mixer), add sugar, and return to the fire for 20 minutes. A minute before the end of cooking, add lemon. Sprinkle hot jam into jars.

Strawberries pureed with sugar are a wonderful alternative to unhealthy sweet products. The berry is truly versatile and is widely used for both medicinal and culinary purposes.

The classic recipe for pureed strawberries with sugar involves the use of only two ingredients, but despite this, the result exceeds all expectations. The berries are not subjected to heat treatment, so pureed strawberries with regular jam can't compare! With the “cold” method of canning, the maximum amount of vitamins, natural taste and aroma are preserved. The preparation has a very beautiful bright color, it is aromatic, it smells incredibly delicious of fresh strawberries, as if they were just from the garden.

No need to cook. The berries should be sorted, washed, covered with granulated sugar, and then punched in a blender, crushed with a pestle or minced. And that’s it, all that remains is to pour it into sterilized jars, seal tightly and put it in the refrigerator. “Cold jam” will keep well for 4 months, and if you resort to freezing, the shelf life can be increased to 1 year.

Strawberries pureed with sugar for the winter will be well stored if they are prepared correctly:

It is best to pick berries on sunny days, as after rain they become watery and can rot and ferment;
the strawberries must be carefully sorted so that the “marriage” does not spoil the preparation;
the ratio of products is 1:1, that is, for 1 kg of berries you should take 1 kg of sand;
You can extend the shelf life if you increase the ratio to 1:2 or add a sugar “plug” under the lid;
puree should be poured exclusively into sterilized containers, preferably small in volume;
The product cannot be stored in a warm place or at room temperature; use of a refrigerator or freezer is allowed.

Ingredients

strawberries 500 g
granulated sugar 500 g

How to cook strawberries pureed with sugar

First of all, you should process the berries, especially carefully, since the workpiece will not cook. I sort through the strawberries, discarding the crushed and spoiled ones. I rinse it under running water, remove all the leaves and let it dry.
I add the full amount of sugar - 1 kilogram. Stir and leave for 3 hours in a cool place. The time will directly depend on the juiciness and ripeness of the berries.
After the specified time, the strawberries will release juice, and sugar crystals will dissolve.
All that remains is to grind the mass until smooth. It is most convenient to use an immersion blender, which copes with the task in just 1-2 minutes. A meat grinder or a regular potato masher will also work.
It should be homogeneous fruit mass beautiful color. If you used a potato masher for chopping, then, of course, you will encounter small pieces berries
I pour the resulting preparation into small jars and close them with tin screw-on lids. The container must be sterilized and dry! I put it in the refrigerator for storage, where the jars will last for 4 months. If you want to extend the shelf life, then add 3-4 tablespoons of sugar under the lid, which forms a kind of “plug” that prevents oxygen from entering the jar. Also part fruit puree can be frozen, poured silicone molds- at low temperatures the mixture will not even harden completely, it will resemble something between marmalade and fruit ice.

“Living vitamin” can be served with tea or pancakes, added to porridge or poured over ice cream. If you froze the puree, then before using it is enough to keep it for 30-40 minutes at room temperature, after which you can safely use it for its intended purpose, just like fresh. Have a delicious tea party!

Such a long-awaited, but such a short strawberry season pushes housewives to look for new options for procuring berries for future use. What to do, if traditional jams and are you a little tired of jams? Prepare “live” jam – strawberries, grated with sugar.

Composition and calorie content

Speaking about strawberries pureed with sugar, it should be noted that in such a dessert the berries remain fresh. It is not surprising that it has almost the same properties as strawberries, only picked from the bush. The berry contains many organic acids, which determine the slight sourness in taste.

Strawberries are one of the garden champions in terms of vitamin C content, so pureed dessert has a pronounced anti-cold and immune-strengthening effect. It can be used as a prevention of flu and colds, vitamin deficiency, and also promote a faster recovery from illness.

Vitamin E, also contained in the berry, is an antioxidant - it binds radionuclides, removes toxins, and also slows down the aging of the body. Vitamin B3 (niacin) is another component found in large quantities in sugared strawberries. B vitamins are involved in metabolic processes, hematopoiesis, they have a beneficial effect on the condition of the skin, and niacin also helps strengthen the heart.

Positive effect on cardiovascular system Potassium and magnesium, also found in abundance in strawberries, also have an effect. Potassium also helps maintain water-alkaline balance and removes excess fluid from the body. Magnesium has an anticonvulsant effect and is necessary for the functioning of nervous system.

A large number of the dessert contains calcium, which is necessary primarily for the health of bones and teeth. In addition, here it is combined with ascorbic acid, which improves its absorption. Phosphorus “helps” calcium, which also maintains the strength of the skeletal system and also improves cerebral circulation.

The composition of the dessert also includes sodium, which is responsible for the water-salt balance in the body, helping to maintain all trace elements in the blood in the desired state. This, in turn, guarantees adequate nutrition of all tissues.

If we talk about microelements, then most of all the dessert contains iron, which is necessary to provide the organs with oxygen. The second place is occupied by copper, which is responsible for the production of collagen. Slightly smaller quantities contain selenium, which promotes the production of antibodies. Manganese is also present in the composition.

Strawberries are rich in fisetin, a type of flavonoid that has a positive effect on brain cells, reducing the intensity of their aging.

The berry itself fresh non-caloric – 35 kcal per 100 grams. However, adding sugar significantly increases energy value dessert - up to 153 kcal per 100 grams of product (average value, may be higher). BZHU looks like 1.6/2.7/151.6.

Proportions

Since this strawberry dessert It cannot be cooked; care must be taken to preserve it for the winter. A natural preservative, sugar, will help with this. It turns out that in grated strawberries it is used not only for taste, but also to preserve the dessert, which means its amount cannot be reduced.

The classic recipe assumes a 1:1 ratio of sugar and berries. That is, for 1 kilogram of berries you also need a kilogram of sugar. If the strawberries are quite sour or the composition also includes lemon, the amount of granulated sugar can be increased to 1200-1300 g. Possible increase in the amount of sugar. Then take 1.5 parts of sweetener for 1 part of berries. This will help increase the shelf life of the strawberries. You should not take more or less than the indicated volumes, since in the first case the berries will become candied, in the second they will begin to deteriorate.

As a rule, the recipe specifies the amount of sweetener to mix with the berries, however, another 100-150 grams are required to make a “lid” on the surface of the composition before sealing the jar.

Many housewives do not know how to determine the quantity ready dessert from the available volume of berries. For example, how many berries do you need for 5 liters of such dessert? Usually the volume of dessert is reduced by 2.5 times the amount of fresh berries. For example, a 5-liter bucket yields approximately 3 liters of ground treats.

Preparing the berries

Preparing berries begins with sorting them. Despite the fact that the strawberries in this dessert are pureed, you should not use damaged or rotten berries. They can provoke fermentation processes and spoil the preparations.

Should be used ripe berries no cracks, damage or traces of insect penetration. It is important to remember that even a slight violation of the integrity of the berry indicates that pathogenic bacteria could penetrate through it. Considering that pureed strawberries are not heat-treated, this can be quite dangerous.

The next stage is washing the berries. Strawberries are very tender, they are easy to crush and damage. In addition, it quickly absorbs moisture. This should be remembered when preparing raw materials. Strawberries should be washed in small portions using a colander. There is no need to turn it over with your hands or a spoon, just shake the colander lightly. You need to rinse the berries under low pressure and only in cool water.

At heavily polluted The berries can be immersed in a bowl of water and left for 5 minutes. Litter, grass and insects will float to the surface, earth and sand will settle to the bottom. After “soaking,” the strawberries are also washed using a colander.

Clean berries should be given 10-12 minutes to drain. excess water. After this, they are laid out in one layer on a clean towel, where they should dry completely. Now you can start cleaning the ponytails, after washing your hands with soap.

Cooking methods

It seems that strawberries twisted with sugar is such a simple recipe that there is only one way to prepare it. However, in practice everything turns out differently. We introduce you to the most popular proven recipes for this healthy dessert.

Recipe No. 1

Grind 1 kg of berries through a sieve and add 1 kg of granulated sugar to the puree. Hand-crushed strawberry mass is denser and does not contain seeds. Mix everything thoroughly and leave the mixture in the pan for 2-3 hours until the sugar is completely dissolved. This also requires periodic stirring of the composition.

After the sugar crystals are no longer noticeable in the puree, it should be distributed into sterile jars and stored in the refrigerator. If the strawberry mass seems sour, you can increase the sugar content to 1200-1300 g.

Recipe No. 2

First of all, you need to puree the strawberries. This can be done with a blender or by spinning it through a meat grinder.

Now the whipped strawberries are placed in a pre-sterilized jar, the layer of berries should be 2-3 cm thick, and on top of it there should be a layer of sugar of the same thickness. Next, you need to alternate layers of sugar and pureed berries, but the last layer must be sugar. You can slightly increase its thickness to 3-3.5 cm. Such a sugar “lid” will ensure the shelf life of the dessert. After this, all that remains is to seal it with a lid and store it in the refrigerator.

Recipe No. 3 with lemon

Lemon in this recipe used not only for taste, but also acts natural preservative. In addition, its addition increases the benefits of grated strawberries, significantly increasing the level of ascorbic acid in the dish.

For 1 kg of berries, 1-2 lemons and 1 kg of sugar are required. The lemon should be washed and scalded with boiling water, and then cut into small pieces; there is no need to peel the peel. Grind the berries and citrus through a meat grinder.

You can grind the lemon using a meat grinder, and punch the berries with a blender, but such processing does not make a noticeable difference, and the labor intensity of the process increases. You should not try to grind lemons with a blender, they will remain big pieces, which can be bitter in dessert.

After the strawberry-citrus mass is ready, add sugar to it, stir and wait until completely dissolved. The final stage- transferring it to jars.

Recipe No. 4

This method- not a recipe in the true sense of the word, but a way to freeze and store strawberries. It is necessary to grind 1 kg of berries with the same amount of sugar. Next you will need molds or ice packs. They're filling up berry mass and are frozen. When scarlet pieces of ice form in the molds, they can be removed and transferred to containers with lids or plastic bags for more compact storage.

You can use grated strawberries as independent dish or add to tea, prepare fruit drinks and compotes. Quite juicy and aromatic, the mass is suitable for soaking biscuits and making cocktails. It can be added to dairy and fermented milk dishes, cottage cheese, or placed on a sandwich or toast. If in the middle of winter you want to taste jam or make marmalade, just boil the mixture with pectin or gelatin.

However, great taste is not the only reason for its popularity. pureed strawberries. She will help out during the flu and cold season. It is enough to add it to tea, drink it with milk or eat it fresh. It’s worth leaving some treats for the end of winter and beginning of spring, because it is at this time that vitamin deficiency, chronic fatigue and a decline in activity are observed. Rich in vitamins and minerals, the berry will help you quickly get rid of these troubles.

It’s quite simple to prepare pureed strawberries with sugar. and recommendations experienced housewives will help make dessert even more tasty and healthy.

To prevent the berries from fermenting, you can rinse them in vinegar water. To do this, 1 tablespoon of vinegar 9% should be dissolved in 1 liter of water. Use the resulting liquid to rinse the berries.
Use for cooking enamel pans and basins. Due to the high acidity of the composition, strawberries, in contact with metal surfaces, oxidize, which affects its taste. Enameled surfaces must not have chips or scratches.
Store the pureed strawberries correctly in the refrigerator, then you can seal the jars nylon covers. If you freeze berries directly in a jar, they may burst due to the difference in pressure inside and outside the container.
Packaged in bags, containers or frozen in molds pureed berries stored in the freezer. If possible, freezing should be extreme, that is, as quickly as possible.

Don't pack large portions berries, if possible, set the maximum temperature to freezer. It is important that the strawberries are not exposed to re-freezing and defrosting. It is better to pack strawberries in small batches - for one time use.

Storage in the refrigerator will be shorter than in the freezer. In the first case, the berries need to be eaten within 3-4 months, in the second they can be stored for up to 8-10 months.
If you decide to leave the berries overnight so that the sugar dissolves better, put the container in the refrigerator and cover with a clean towel. In the summer, in room conditions, left for such for a long time The strawberries will most likely begin to ferment.
An important aspect of food preservation is sterilization of jars and lids. It must be carried out before laying the composition, but at the same time the jars must have time to dry. The lids also need to be sterilized; if nylon ones are used, scald them with boiling water.

To learn how to prepare pureed strawberries with sugar, see the following video.