Melt 100 g butter and let it cool down. Crumble the amarettini and ladyfingers, mix with the butter. Spread the bottom of a springform pan (26 cm Ø) with oil. Crumb mixture
on top and press to a flat bottom. Keep cold. Peel and quarter apples and remove the core. Heat 25 g butter, 50 g sugar and lemon juice in a saucepan. Add apple pieces and stew covered for 8-10 minutes. Stir carefully in between. Place apples on a sieve, collect the liquid and allow to cool. Melt 50 g butter. Separate 2 eggs. Mix quark, 2 eggs, egg yolk, 75 g sugar, vanillin sugar and semolina. Stir in the collected stock and melted butter. Beat egg whites until stiff, pour in 25 g sugar. Fold into the quark mixture. Put 3-4 tablespoons of quark mixture on the bottom and spread. Place the apples close together. Spread the rest of the quark mixture on top and sprinkle with almond flakes. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for about 30 minutes. Sprinkle the cake with 25 g sugar and place 25 g butter in flakes on top. Turn up the temperature (electric oven: 200 °C/ convection oven: 175 °C/ gas: level 3) and bake for about 20 minutes. Let the cake cool down in the tin. Remove from the mould. Dust with icing sugar and decorate with Amarettini
waiting time approx. 3 hours