Knead flour, 150 g butter in flakes, icing sugar, egg and 1-2 tbsp. water to a smooth dough. Wrap dough in cling film and chill for approx. 45 minutes
Roast the almonds in a pan without fat, take them out. Melt 50 g butter, put aside. Peel and quarter apples and remove core. Cut or slice apple quarters into thin slices. Sprinkle with lemon juice. Put the biscuits in a freezer bag and crumble them finely
Remove approx. 1/3 of the shortcrust pastry and set aside. Roll out the rest of the short pastry on a floured work surface (approx. 34 cm Ø). Grease a springform pan (approx. 24 cm Ø) and dust with flour. Line with the dough. Press down on the edge (approx. 5 cm high), cut off the rest of the dough. Mix apples, cookie crumbs, sugar, raisins, butter and almonds and put them into the tin, press lightly
Roll out the remaining dough to a round shape (approx. 24 cm Ø) and place over the filling. Press the edges together and slightly scratch the surface in a star shape. Cut out a round circle of dough (approx. 2 cm Ø) in the middle. Bake the cake in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 45 minutes. If the surface becomes too dark, cover with aluminium foil
Remove the cake from the oven, remove from the edge and let it cool on a cake rack. Dust with icing sugar before serving
Waiting time approx. 45 minutes