Mix the oatmeal with the flour, baking powder and salt.
Beat the butter and sugar until frothy. Mix in the egg, cinnamon, vanilla sugar and milk. Then add the apple pieces, applesauce and flour mixture and stir well. Finally, mix in the raisins. Using a spoon, place walnut-sized portions on a baking sheet lined with baking paper.
Bake in a preheated oven at 180 ° C for about 15 minutes.