Then stir in the quark, baking powder and pudding powder until a creamy mixture is formed.
Now divide the dough into two parts and stir the cocoa powder into one half.
Now alternately put the dough, always 2 tablespoons at a time, in the middle of a greased springform pan (26 mm), this creates the zebra pattern! Bake the cake for 20 minutes in a preheated oven to 160 ° C.
In the meantime, knead the crumble together from the last 4 ingredients. Now take the cake out of the oven and spread the crumble on it. Bake the cake for another 40 minutes.