Knead butter, 100 g sugar, flour and 1 pinch of salt first with the dough hooks of the hand mixer, then with floured hands to a smooth dough. Wrap the dough in foil, chill for about 30 minutes
Mix quark, 150 g sugar, vanillin sugar and 1 pinch of salt. Stir in the eggs one by one. Stir in pudding powder and sauce powder. Sort the berries and fold into the cheese mixture. Cut the dough in half, roll out one half on a floured work surface (approx. 26 cm Ø) and line a greased springform pan (26 cm Ø) with it
Pour the cheese mixture into the mould. Divide the remaining dough again, mix one half with grated coconut and 1 tablespoon of water. Knead the other half of the dough with 1 tablespoon of cocoa. Spread crumbles alternately on the cheese mixture. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for 45-55 minutes on the bottom rack, remove and let cool on a cake rack. Remove the cake from the edge and dust with icing sugar
Waiting time approx. 30 minutes