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Two jars filled with homemade sour cherry preserve and sealed with sterilized lids

Sour Cherry Preserve with Fruit Juice

A Romanian sour cherry preserve made without added pectin, using the juice released by the fruit instead of water. The cherries are briefly cooked in a rich red syrup, then cooled completely before the final consistency is checked. The result sits between jam and traditional preserve, with visible cherry pieces in a thick but pourable syrup.
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Prep Time 1 hour
Cook Time 50 minutes
Cooling Time 8 hours
Total Time 9 hours 50 minutes
Servings: 1 batch
Course: Preserves
Cuisine: Romanian
Ingredients Method Notes

Ingredients
  

  • 1 kg sour cherries weighed after pitting and draining
  • 700 g granulated sugar
  • 300 ml fresh juice collected from the cherries
  • juice of 1 medium lemon

Method
 

  1. Prepare the cherries: Wash the cherries before removing the stems and pits. Pit them over a large bowl so that you collect all the juice released during the process.
    Pitted sour cherries with whole fruit and cherry halves collected in a stainless steel pot
  2. Drain the cherries: Place the pitted cherries in a strainer set over the bowl and allow the excess juice to drain naturally. Do not press or crush the fruit. Weigh 1 kg of cherries after pitting and draining.
  3. Measure the ingredients: Measure 300 ml of the collected sour cherry juice. Keep any remaining juice for lemonade, drinks, desserts, or homemade cherry syrup.
    Fresh sour cherry juice collected in a glass measuring jug for making preserve syrup
  4. Make the syrup: Add the sugar, measured cherry juice, and lemon juice to a wide, deep preserving pot. Heat over medium heat, stirring carefully until the sugar dissolves. It will take approximately 10 minutes for the syrup to begin boiling.
  5. Cook the syrup: Once boiling, cook the syrup for another 10–15 minutes. Begin checking it after approximately 10 minutes. It should thicken slightly but remain fluid enough to continue cooking with the fruit. Remove excess foam when necessary and watch the pot closely because syrup made with fruit juice can rise very quickly.
    Sour cherry juice syrup boiling in a pot with dark red bubbles and a layer of pink foam
  6. Add the cherries: Carefully add the drained sour cherries to the hot syrup. Bring everything back to a steady boil over medium heat. This will take approximately 10 minutes.
  7. Cook the preserve: Once the cherries and syrup are boiling steadily, cook for approximately 10–15 minutes. Stir gently and only when necessary so that the cherries remain in recognizable pieces. Remove excess foam as it forms.
    Sour cherry preserve cooking in a pot with visible cherry halves, dark red syrup, and light foam
  8. Cool completely: Remove the pot from the heat and cover it with a clean, damp kitchen towel. Leave the preserve to cool completely. This usually takes several hours, but it can be left overnight.
  9. Check the consistency: Place a small spoonful of the cooled preserve on a room-temperature plate. The syrup should move slowly but remain pourable. It should coat the fruit without becoming stiff or sticky.
    Cooled sour cherry preserve with visible fruit pieces in a glossy, pourable red syrup
  10. Cook again only if needed: If the cooled syrup is still noticeably too thin, return the pot to the stove and boil the preserve for another 5 minutes. Allow it to cool completely before checking it again. My batch did not require this additional cooking.
  11. Prepare the jars: Wash and sterilize the jars and prepare the lids according to the manufacturer’s instructions. Allow the jars to cool until they are slightly warm, then place them on a metal tray before filling.
  12. Fill the jars: Spoon the completely cooled preserve into the sterilized, slightly warm jars. Distribute the fruit and syrup evenly and leave a little space at the top. Wipe the rims carefully and close the jars with the prepared lids.
  13. Store the preserve: Label the jars with the name and date, then transfer them to a cool, dark pantry.

Notes

  • The 1 kg measurement refers to the cherries after they have been pitted and drained.
  • Use the juice released naturally by the cherries instead of adding water. This produces a deeper cherry flavor and a richer color.
  • For a 1 kg batch, use 300 ml of collected cherry juice. When making a 2 kg batch, I prefer using 500 ml rather than doubling it to 600 ml. Both quantities work, but 600 ml requires a longer cooking time to reduce the syrup.
  • Work in batches of no more than approximately 2 kg of prepared cherries per pot. Larger batches heat less evenly, take longer to reduce, and can produce darker syrup and softer fruit.
  • A few thin strips of lemon zest can be added for a brighter citrus aroma. Avoid the bitter white pith.
  • Use a wide, deep pot and remain near the stove. Sour cherry syrup produces plenty of foam and can rise unexpectedly quickly.
  • Do not judge the consistency while the preserve is hot. The syrup thickens considerably as it cools.
  • Sour cherry preserve should remain slightly syrupy. It does not need to set like commercial jam.
  • My batch reached the correct consistency after the first cooking and did not require the optional additional 5 minutes.
  • After opening a jar, keep it refrigerated and always use a clean spoon.
Storage note: This recipe records the traditional method I use at home: I spoon the completely cooled preserve into sterilized, slightly warm jars and store the sealed jars in a cool, dark pantry. I do not routinely water-bath my jams and preserves because the additional heat can continue cooking the fruit and alter its texture. Readers who prefer current research-based canning guidance should follow a tested hot-fill and water-bath process appropriate for their jar size and altitude, or store the preserve in the refrigerator.