Variation A): Soften the berries with the juice together for about 20 min, then strain the amount through a sieve. Further processing in each case according to gelling agent. Fill hot jam into glasses.
Variation B): Cut apples into small pieces and soften them together with the berries for about 2.5 l, then drain the quantity in a dish rack for one night. Further processing in each case according to gelling agent. Pour the hot jam into jars.