Peel the apples and prick out the cores. Cut apples into rings and sprinkle with lemon juice
Cream the fat, 150 g sugar, 1 packet of vanillin sugar and salt. Stir in 3 eggs one after the other. Mix flour and baking powder and stir in alternately with the milk. Spread the dough into a greased springform pan (26 cm Ø) sprinkled with breadcrumbs (if necessary, spread the dough a little higher at the edges than in the middle)
Mix the sour cream, 2 eggs, 50 g sugar and 1 packet of vanilla sugar with the whisks of the hand mixer. Pour half of the sour cream on the dough. Place the apple rings on top and pour the remaining Schmandguß over it
Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for about 1 hour. Let them cool down
5 Heat the jam and pass through a sieve. Spread the apples with it. Dust the apple cake with icing sugar on the edge