For the dough, mix fat, sugar, vanillin sugar and salt until creamy. Stir in the eggs bit by bit. Mix flour, starch and baking powder and stir into the fat egg mass. For the cheesecake cream, mix fat and sugar until creamy. Stir in the egg. Add quark, sauce powder, lemon peel and lemon juice and mix. Put several baking cups into each other and add 1 tablespoon of batter each.
Smooth with a moistened tablespoon. Spread the quark cream on top. Bake the cakes in the preheated oven (electric cooker: 200 °C/ gas: level 3) for about 30 minutes. Let them cool down on a cake rack. Warm up the jam, pass through a sieve and spread on the tartlets. Cover with various fruits and decorate with lemon balm leaves. Makes about 15 pieces