Beat the margarine with sugar, yolks and two egg-whites, add flour and baking powder. Pour the mixture into a greased 35cm pan. Add sliced of any kind of fruit. Place in a preheated oven. Add flaked apple precooked with 1/2 tbsp of margarine, sugar and cinnamon.
Topping: Mix the milk, sugar, cornstarch, vanilla and cinnamon and boil for 5 minutes, let cool. Beat egg-white until stiff and add to mixture. Put topping on top and bake until brown.