Blackberry-Elderberry Jam

Prep: 15min
| Servings: 120 | Cook: 45min
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Blackberry and elderberry jam with lemon juice. The berries in the elderberry jam contain secondary plant compounds that strengthen the immune system.

Ingredients

  • 1400 g blackberries
  • 600 g elderberries
  • 500 g fruit sweetener (3:1)
  • 0.5 lemon

Instructions

  1. 1.

    Wash the blackberries and drain well.

  2. 2.

    Rinse the elderberries, drain them, and pluck off the stems.

  3. 3.

    Place all berries in a pot and add 150 ml water.

  4. 4.

    Cover and bring to a slow simmer. Cook covered for about 30 minutes, stirring gently occasionally.

  5. 5.

    Line a fine sieve with kitchen cloth and hang it over a pot. Put the berries into the sieve and let them drain thoroughly for about 5–6 hours. Meanwhile rinse three screw-top jars (400 ml each) and their lids in boiling water and set them upside‑down on a kitchen cloth to drain.

  6. 6.

    Measure out 1.2 liters of the drained berry juice. Add the fruit sweetener to the pot and stir constantly until it boils.

  7. 7.

    During cooking skim off any foam with a skimmer and let the juice bubble for 4–6 minutes. Squeeze in lemon, stir in 2 tbsp lemon juice, and cook for another 30 seconds.

  8. 8.

    Pour the hot liquid into the prepared jars and seal immediately. Leave the jars upside‑down for 5 minutes, then stand them upright. (When sealed and stored darkly, the jam lasts about one year.)