Grease the springform pan (26 cm Ø). Cut apples into quarters and cut several times on the convex side or scratch with a fork. Sprinkle with lemon juice.
Cut open the vanilla pod, scrape out the pulp. Beat the eggs, 75 g sweetness, vanilla pulp and 1 pinch of salt for about 8 minutes until creamy. Mix flour and baking powder, sieve on top and stir in. Add oil and stir in.
Spread the dough into the mould. Spread apples close together. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for 35-40 minutes.
Roast the almonds until golden brown. Warm the jam. Remove the cake and spread with jam. Sprinkle almonds over it. Let the cake cool down. Sprinkle with 1 tbsp. sweetness. Whipped cream tastes good with it.