Mix 200 g flour, baking soda and baking powder. Add the egg, 100 g sugar, 1 packet of vanillin sugar, oil and milk and mix with the whisks of the hand mixer to a smooth dough
Cream the cream cheese with the whisk of the hand mixer for 2-3 minutes. Stir in quark, 1 packet of vanilla sugar, 25 g sugar, egg yolk and lemon peel, sift 25 g flour on top and mix
Line a muffin tray with 6 troughs (approx. 10 cm Ø each; approx. 250 ml capacity each) with paper baking cups. Spread half of the dough evenly into the baking cups, sprinkle 1 tbsp. blueberries on each, spread the remaining dough on top. Spread the cheesecake mixture on the muffins. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for about 45 minutes. Approx. 5 minutes before the end of the baking time increase the baking temperature (electric oven: 200 °C/ convection oven: 175 °C/ gas: level 3). Remove the muffins from the oven and let them cool down on a cake rack for about 1 hour. To serve, dust the muffins with icing sugar
Waiting time approx. 1 hour