For the crumbles melt butter and let it cool down. Put 250 g flour, 150 g sugar, almonds and melted butter into a mixing bowl and knead into crumbles with the dough hooks of the hand mixer. Chill for about 30 minutes
In the meantime wash, peel and quarter the apples and cut out the core. Cut the apple quarters into slices, sprinkle with lemon juice
Mix curd, milk, oil, 75 g sugar and salt. Mix 300 g flour and baking powder and knead with the dough hooks of the hand mixer. Continue kneading with your hands to a smooth dough. Roll out the dough thinly on a greased baking tray (approx. 32 x 39 cm) and cover with apples. Mix 5 tbsp. sugar and cinnamon, sprinkle on apples. Sprinkle crumbles over the top and bake in the preheated oven (electric: 200 °C / gas: level 3) for 25-30 minutes. Allow to cool and cut into approx. 24 pieces