Knead 1 egg, 50 g sugar, 50 g butter, the flour and the baking powder into a shortcrust pastry and cut the dough into thirds. Grease the springform pan, two-thirds are used as the bottom of the springform pan, and the rest of the cake pan is evenly high.
Separate the remaining 4 eggs and drain the cherries.
Mix 750 g quark, 150 g sugar, 4 egg yolks, 250 ml milk and the packet of vanilla pudding to a mixture, then stir in the cherries and pour the mixture into the springform pan.
Place in the oven preheated to 180 ° C (top / bottom heat) and bake for 55 minutes.
Beat the egg white until stiff and fold in the remaining sugar. After about 60 minutes of total baking time, distribute the egg foam evenly on the cake. Leave a little distance to the edge, the egg foam will still open a lot at times. Bake for another 15 minutes. If the egg foam turns brown, it`s good!