Knead flour, 200 g sugar, 2 eggs and fat in flakes to a smooth dough. Chill for about 30 minutes
Wash the raisins, dry them, mix with rum. Peel, halve and core apples. Drizzle lemon juice over them.
Roll out half the dough in a greased fat pan (35 x 40 cm). Press the dough a little up at the edge. Fill apples with raisins. Place the apples with the cut surface facing down on the dough
Stir pudding powder and 150 g cream until smooth. Bring 600 g cream, vanillin sugar and 125 g sugar to the boil. Stir in the pudding and bring to the boil again. Pour on the apples
Roll out the rest of the dough into a rectangle (35 x 40 cm). Place the dough on the apples, press the edges of the dough firmly. Bake in a hot oven (electric cooker: 200 °C/ convection oven: 175 °C / gas: level 3) for 1-11/4 hours. Whisk the egg yolks. Spread the cake approx. 15 minutes before the end of the baking time