Grease a springform pan (26 cm Ø) and sprinkle breadcrumbs on the bottom. Melt the fat, cool down. Mix flour, baking powder, 100 g sugar, 1 sachet vanilla sugar and cocoa. Add the fat, kneading everything into crumbles with the dough hooks of the hand mixer. Spread in the springform pan and press down lightly
Beat the eggs, 125-150 g sugar and 1 packet of vanilla sugar until fluffy. Stir in cream cheese, quark, 5 tablespoons (50 g) cream and starch. Spread into the mould. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 55-60 minutes. Cool down in the tin on a cake rack
Break chocolate into pieces. Put it in a pot with 200 g cream and plate-grease and melt it at low heat while stirring. Let it cool down for about 15 minutes. On the
Spread the cheesecake and chill for about 2 hours