Mix cream, 125 g sugar, eggs, salt, 1 packet of vanillin sugar and lemon zest. Mix flour and baking powder, stir in. Smooth the dough in a greased springform pan (26 cm Ø). Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 18 minutes. Bring butter, milk, 125 g sugar and 1 packet of vanilla sugar to the boil.
Remove from the heat, fold in almonds and allow to cool slightly. Place the topping on the pastry base and bake at the same temperature for another 10-15 minutes. Remove the cake and let it cool down. Wash and clean the gooseberries. Mix 6 tablespoons of apple juice with the remaining sugar and pudding powder until smooth. Bring the rest of the juice to the boil, add the gooseberries and steam for about 5 minutes. Stir in the pudding powder and bring to the boil again. Remove the cake from the tin and cut through 1x. Spread the gooseberries on the bottom base. Let cool off.
Stir in the pudding powder and bring to the boil again. Remove the cake from the tin and cut through 1x. Spread the gooseberries on the bottom base. Let cool off. Cut the upper cake layer into 12 cake pieces. Whip sour cream, remaining vanilla sugar and sauce powder until creamy. Pour the mixture into a piping bag with star-shaped spout, spray spirally onto the compote and place about 7 compartments on top