Peel and quarter the apples and cut out the core. Drizzle the apple quarters with lemon juice. Pour cream into a mixing bowl. Wash and dry 1 cup. Add 1 cup (200 g) sugar, vanillin sugar and lemon peel to the cream and beat until half stiff.
Stir in eggs bit by bit. Mix flour and baking powder, sieve over the cream egg mixture and stir in. Grease the fat pan of the oven. Smooth the dough on top. Cover with apple quarters. Pre-bake in the preheated oven (electric cooker: 175 °C/ gas: level 2) for approx. 15 minutes. In the meantime bring butter, remaining sugar and milk to the boil. Fold in almonds. Spread the almond mixture on the cake and bake for another 15 minutes.
Pre-bake in the preheated oven (electric cooker: 175 °C/ gas: level 2) for approx. 15 minutes. In the meantime bring butter, remaining sugar and milk to the boil. Fold in almonds. Spread the almond mixture on the cake and bake for another 15 minutes. Remove the cake, let it cool down and cut it into about 20 pieces. Serve with whipped cream