01 -
Preheat the oven to 180°C (conventional).
02 -
Knead the sugar, egg, flour, butter, and baking powder into a dough. Press it into a 26cm springform pan, creating a slight edge.
03 -
Combine sour cream, sugar, egg yolks, vanilla sugar, milk, low-fat quark, vanilla pudding powder, and oil in a mixing bowl. Mix until smooth.
04 -
Pour the filling mixture over the dough in the pan. Bake for 50 minutes.
05 -
Whisk egg whites and sugar until stiff peaks form.
06 -
Spread the meringue over the baked cake. Return to the oven and bake for another 10 minutes.