Clean, wash and drain the gooseberries. For the quark oil dough mix flour and baking powder. Knead the quark, 6 tbsp. oil, milk, 1 pinch of salt, 75 g sugar, vanilla sugar and 1 egg with the dough hooks of the mixer to a smooth dough.
Preheat the oven (electric cooker: 200 °C/circulating air: 175 °C/gas: see manufacturer).
For the icing, mix 4 eggs, 100 g sugar, sour cream and pudding powder in a bowl with the whisks of the mixer.
Oil a fat pan (approx. 32 x 39 cm; deep baking tray). Roll out the dough and sprinkle with breadcrumbs. Spread gooseberries on top. Pour the icing evenly over it. Bake in a hot oven for 35-40 minutes.
Allow to cool and dust with icing sugar.