Dice the prunes. Sprinkle with orange juice and let it steep. Chop the pistachios
Mix flour, almonds and baking powder. Add egg, vanilla flavour, 1 pinch of salt, 75 g diabetic sweetener, fat in flakes and quark. Knead everything with the dough hooks of the hand mixer. Finally knead in plums and pistachios
Form the dough into a stollen on a lightly floured work surface. Place on a greased baking tray and bake in a preheated oven (electric cooker: 200 °C / convection oven: 175 °C / gas: level 3) for approx. 10 minutes. Then bake at 175 °C (fan oven: 150 °C/ gas: level 2) for approx. 25 minutes. Remove from oven and let cool down. Dust with 12 g diabetic sweetener