The preparation is very easy. First separate the eggs.
Then mix the egg yolks and sugar together, then add the softened butter. Only now mix in the quark, pudding powder and teaspoon of baking powder. Beat the egg whites until stiff and fold carefully into the mixture. Pour the batter into a prepared springform pan.
Bake the cake in the preheated oven at 180 ° C for 50 - 60 minutes.