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Strawberry Jam

Karel ČernýPreservesCzech Cuisine x se líbilo
Strawberry jam from fresh strawberries, granulated sugar, and lemon comes together in under an hour with no artificial thickeners. Lemon juice supports the natural set and brightens the fruity flavor, while longer cooking gives it a proper preserve-like thickness. One kilogram of strawberries yields about four jars, which keep for a long time in a cool, dark place once sealed and turned upside down. It is great on bread, pancakes, and in yogurt.
Příprava: 20min
Vaření: 35min
CELKOVÝ ČAS: 55min
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Ingredients

4glasses
Ingredients

Step by step process

Preparation

  1. 1

    Wash the strawberries thoroughly, remove the stems, and cut larger berries into halves or quarters so they cook evenly.

  2. 2

    Weigh out the granulated sugar and prepare clean jam jars with lids. Check that the rims are not damaged.

  3. 3

    Cut the lemon and squeeze the juice through a citrus juicer. Remove any pips.

Cooking

  1. 4

    Preheat the oven to 120 °C. Place the washed jars and lids on a baking tray and warm them for about 10 minutes. Keep them warm in the oven until filling.

  2. 5

    Put the strawberries, granulated sugar, and lemon juice into a wide pot. Heat over medium heat, stir, and gently crush the berries with a wooden spoon as they release their juices.

  3. 6

    Bring to a boil and cook uncovered for 20-30 minutes. Skim off any foam that forms. Check the set by dropping a spoonful onto a chilled plate or using a thermometer (target around 105 °C).

    TIP: 

    Tip: test the jam's set. On a cooled plate, drop a small amount of hot jam and, after a moment, tilt the plate. The drop will stay and set. This indicates the ideal consistency. If it runs, return the jam to the stove and cook longer.

  4. 7

    When the jam thickens and the test holds its shape, remove from heat and let it stand for about a minute. If desired, adjust the flavor with a few drops of lemon for brightness.

Serving

  1. 8

    Ladle the hot jam into the warm jars immediately, filling them almost to the top. Wipe the rims, seal tightly with lids, and turn the jars upside down for 5 minutes.

  2. 9

    Return the jars right-side up and let them cool completely. Label with the date and store in a cool, dark place. Once opened, keep refrigerated and consume within 2-3 weeks.

More tips:

For a firmer set, cook to 105 °C or stir in 1 teaspoon of powdered pectin dissolved in a little hot jam at the end of cooking.

If you prefer larger fruit pieces, set aside 200 g of strawberries and fold them into the jam during the last 3 minutes of cooking.

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Nutritional values

4glasses
Energy2 324 kcal
Proteins8 g
Fats4 g
Fiber3 g
Cholesterol0 μg
Sodium27 mg
Salt69 mg
Carbohydrates589 g
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