Make a shortcrust pastry from the ingredients for the base, shape into a ball and chill in the refrigerator for about 1 hour or more.
Then line the bottom and a few cm of the edge of a springform pan with it.
For the topping, beat the sugar, butter, vanilla sugar and 5 egg yolks. Then fold in the lemon juice as well as the semolina and quark. Beat the egg whites separately until stiff and fold in. Place the topping on the bottom in the springform pan. Bake for about 1 hour at 180 ° C.