Mix 400 g flour, dried yeast and 50 g sugar. Melt 75 g butter. Add milk, warm up lukewarm. Stir in 1 egg. Knead into the flour mixture with the dough hooks of the hand mixer.
Cover and leave to rise in a warm place for about 30 minutes. Wash the cherries, remove the stalks and pit them. Wash and clean the gooseberries. Mix 200 g flour, 100 g sugar, vanillin sugar and 125 g soft butter first with the dough hooks of the hand mixer, then with your hands to form crumbles. Mix sour cream, 4 eggs, 75 g sugar and sauce powder with the whisks of the hand mixer. Knead the yeast dough again. Grease baking tray (32 x 39 cm) and dust with flour. Roll out the yeast dough and let it rise for another 15 minutes. Spread gooseberries and cherries on the dough, sprinkle with 2 tablespoons of sugar. Pour a sand glaze over it, sprinkle with crumbles.
Knead the yeast dough again. Grease baking tray (32 x 39 cm) and dust with flour. Roll out the yeast dough and let it rise for another 15 minutes. Spread gooseberries and cherries on the dough, sprinkle with 2 tablespoons of sugar. Pour a sand glaze over it, sprinkle with crumbles. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 20-30 minutes. Take out and let cool down
1 1/2 hours waiting time