Grease the springform pan (26 cm Ø). Separate 2 eggs. Cream the fat, 80 g sugar and 1 packet of vanilla sugar. Stir in 2 egg yolks and 1 egg separately. Mix flour and baking powder, alternating with the milk. Spread into the mould
Beat 2 egg whites until stiff, sprinkle with icing sugar. Spread on the dough in the mould. Bake in a hot oven (electric cooker: 175 ° C/ convection oven: 150 °C/gas: level 2) for approx. 25 minutes. Cooling down
Peel, core and dice apples. Simmer with 50 g sugar, lemon and apple juice for about 3 minutes. Mix sauce powder and 2 tablespoons of water. Stir into the compote, bring to the boil briefly. Cool down
Soak the gelatine in cold water. Briefly mix yoghurt, mascarpone, 1 packet of vanillin sugar and 75 g sugar. Squeeze the gelatine and dissolve over a mild heat. Stir in liqueur, then stir into the yoghurt cream. Place in a cool place until it starts to gel (approx. 10 minutes). Whip the cream until stiff. First add compote, then cream to the cream
Close the mould edge around the base. Spread cream on top. Chill the cake for 4-5 hours. If necessary, place a decorative grid or paper strips on the cake, dust with cinnamon and remove the grid or paper. Decorate the cake