Vanilla cream: 450 ml milk, cream, 75 g sugar, salt and vanilla pulp bring to the boil while stirring
Whisk 125 ml milk, egg yolk and starch. Take milk from the stove. Stir in the egg milk, warm it up while stirring until it thickens. Cooling
Schmandmasse: mix sour cream, eggs, egg yolk, butter, 1 pinch of salt, cheese, starch and lemon peel
Dough: Mix egg, quark, vanillin sugar, sugar, 1 pinch of salt, milk and oil. Mix the flour and baking powder, add to the quark mixture and knead everything
Put the dough on a greased fat pan (approx. 32 x 39 cm) and spread it evenly on top. Mix vanilla cream and sour cream mixture and spread on the dough
Bake the cake on the lowest level in the preheated oven (electric oven: 175 °C/ convection oven 150 °C / gas: level 2) for 50-60 minutes
Icing: Melt the butter. Stir egg yolk and sugar until smooth. Stir into the slightly cooled butter. Spread the icing on the cake about 12 minutes before the end of the baking time. Let it cool down. Then dust with icing sugar