Mix 750 ml cold water and 2 tablespoons of sugar. Stir in potato dumpling powder with a whisk and let it swell for about 10 minutes. Form 12 dumplings from the dumpling dough with moistened hands and put them into boiling, slightly sugared water, bring to the boil briefly and let them simmer for 15-20 minutes at low heat. Meanwhile wash apples, remove core and dice flesh. Caramelise 3 tablespoons of sugar in a pot until golden brown. Add 100 ml of water and berry mixture and boil sugar until it comes to a boil.
Add the apples and simmer for 2-3 minutes. Mix breadcrumbs and 3 tablespoons of sugar. Remove the dumplings and roll in the mixture. If necessary, reheat compote again and arrange with the dumplings in preheated plates. Sprinkle dumplings with pistachios
15 minutes waiting time