Strawberry Jam

Strawberry Jam

When you have too much strawberries leftover, just make strawberry jam.



Strawberries are on season here. They are literally flooding at nearby market and appealingly sold in big cartons with cheap price. My fridge is completely crowded by strawberries.


How to Store Strawberries

Whether you plan on eating them directly, or you have a stack of recipes to use, it’s important to store them properly. The last thing you want to happen is to end up with a basket of mushy berries in mold. Here is the guides to keep your strawberries fresh.

  1. Wash strawberries only before you use them. Once wet, they are more likely to get mushy and spoil faster. Keep strawberries dry. If you don’t plan to eat your strawberries at the same day you bring them home, store them in different container lined with paper towels to absorb any excess moisture.
  2. Keeping the stems will prolong their shelf life.
  3. Remove the moldy strawberries. Mold spreads easily, so before buying strawberries, flip the packages to check the bottom.
  4. Refrigerate strawberries. The trick is to keep them cold and dry so they won’t mold. If you don’t have plans to use strawberries in the few days, remove the stems, and freeze in one layer in an airtight container.


No Pectin Jam

Have you ever noticed that in some fruit jam brands, you find the texture has jelly like consistency? The reason is that store bought jams use pectin, which is used as a thickening agent. Pectin occurs naturally in fruits and vegetables, but some produce contain more pectin than others.

Strawberries do not contain a lot of pectin, which is why many recipes will call for the addition of a commercial version of pectin. Since I do not like jelly consistency in store bought jam, I decided to just keep the jam natural without pectin. Lemon is important in making thick strawberry jam as it is naturally high in pectin. Furthermore, lemon is acidic and help the balance the sweetness from the sugar.


Strawberry : Sugar Ratio

You may think there is so much sugar in making this Strawberry Jam recipe. The jam recipes mostly comprise equal weights of fruit and sugar. Generally, the fruit to sugar ratio for traditional jams is 1:1 (in weight). You can play with this ratio, but too much fruit and you may lose the preserving effects of the sugar, and too much sugar may crystallized during storage.

strawberry jam + sugar


How to Make Strawberry Jam

We want thick jammy texture in strawberry jam, so you don’t want to add more water. Combine sugar and strawberries and in no time, the sugar will dissolve and start pulling juice out of the strawberries.

strawberry jam + sugar

One thing to keep in mind is to try filling the pot less than half full of the jam mixture. The mixture will bubble up while it’s heating. After the mixture has gotten thicker and the strawberry chunks has gotten softer, you will know that it is ready. Do not overcook or it will get dense and lose its flavor.

cooking strawberry jam

This is the strawberry jam I got after letting it to cool in the pot for 15 minutes. The pink foam from boiling has subsided and create a perfect glossy strawberry jam.

strawberry jam after cooking

strawberry jam in the jar

a spoonful of strawberry jam


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Strawberry Jam

When you have too much strawberries leftover, just make strawberry jam.
Course Breakfast, Dessert
Keyword Jam
Prep Time 30 minutes
Cook Time 20 minutes
Total Time 50 minutes
Servings 1 small jar


  • 2 1/2 cups strawberries (300 gr)
  • 3/4 cup granulated sugar (150 gr)
  • 1 tbsp lemon juice


  1. Use glass jar and sterilize the jar by filling the jar and the lid with boiling water for 10 minutes.

  2. Wash strawberries, remove the stems, and chop strawberries into smaller chunks. Put it into a large pot.

  3. Stir in lemon juice and sugar. Let it sit for at least 20 minutes until the water comes out from the strawberries.

  4. Cook strawberry mixture over medium heat until it boils and the strawberry chunks get soft, stirring often

  5. Let the mixture cool down in the pot for 15 minutes. Pour jam into the sterilized jar and let it cool completely. Close the lid. Store in the refrigerator.

Recipe Notes

  • You can double the recipe.
  • The strawberry jam will last for 3 months in refrigerator or 1 year in freezer

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