Peel the apples, remove the core, dice and drizzle with lemon juice. Mix the fat, sugar, vanilla sugar and salt until frothy. Gradually stir in the eggs. Mix the flour, baking powder and cinnamon. Stir into the fat egg mixture. Fold the apple cubes into the batter.
Line a baking sheet with parchment paper and use 2 spoons to put piles of dough on the paper. Bake in a preheated oven at 200 ° C for 15-20 minutes.