Ingredients for 1 servings:
- 750 g blackberries, fresh or frozen
- 500 g plums, not too sweet
- 1 kg gelling sugar 1:1 (the exact amount depends on the blackberry juice obtained)
Instructions
Working time approx. 20 minutes; Cooking/baking time approx. 10 minutes; Total time approx. 30 minutes
dark two-fruit jam
Wash the blackberries and bring to a boil in a large saucepan (with a lid). The berries should simmer until slightly soft. Once boiled, strain the berries, including their juice, through a fine sieve and collect the resulting juice in a bowl. Wash, pit, and finely chop the plums (slightly tart, not too sweet, are best). Weigh them together with the resulting blackberry juice, add the same amount of gelling sugar, and bring to a boil in a large saucepan while stirring. If you like, you can further chop the plum pieces with a hand blender. Let the sugar and fruit mixture boil for about 4 minutes, then do a setting test by placing a drop of jam on a plate and checking whether it has set. Immediately fill the hot jam into screw-top jars, seal, and leave the lid on for 5 minutes.



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