Wash, peel, quarter and core apples. Cut apples into fine slices. Mix apple slices and cider. Wash and halve plums and remove stone.
Cream butter, vanillin sugar, 175 g sugar, salt, honey and lemon zest with the whisks of the hand mixer. Stir in the eggs one by one. Mix the flour and baking powder and stir in the flour and baking powder alternately with the milk.
Fold 50 g flaked almonds, apple slices and plums into the dough.
Pour the dough into a greased springform pan (26 cm Ø) sprinkled with flour and smooth it down. Sprinkle evenly with remaining almond flakes and 2 tbsp. sugar. Bake in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see
manufacturer) bake for about 1 hour.
Remove from the oven, place on a cake rack and allow to cool in the mould. Remove from the mould and place on a cake plate. Dust the edge with icing sugar as desired. Serve with whipped cream.