Clean, wash and drain the gooseberries. Cream fat, sugar, vanillin sugar and lemon peel. Stir in the eggs one after the other. Add milk and finally briefly stir in flour, cornstarch and baking powder.
Spread the dough on a greased baking tray (33x39 cm). Spread gooseberries on it and bake in the preheated oven (electric: 175 °C / gas: level 2) for about 35 minutes. After about 15 minutes baking time, sprinkle almond flakes on the cake.
Let it cool down, dust it thickly with icing sugar and cut it into about 25 pieces. Serve with whipped cream or decorate with cream tuffs, steamed gooseberries and flaked almonds.