Mix the ingredients for the filling and let it steep. Make a dough from the dough ingredients.
Pour 2/3 of the dough into the greased pan, spread the apple mixture on top. Mix the remaining dough with 1 tablespoon of milk and pour onto the apple mixture. Then distribute the sugar, cinnamon and butter flakes on the dough. Bake for 60 minutes at 170 ° C in a preheated oven.