For the cherry crumble cake, butter a rectangular pan and dust with flour. Mix flour, baking powder, almonds and chocolate sprinkles.
Separate eggs and beat egg whites with salt until creamy. Beat butter, sugar, vanilla sugar and yolks until creamy white.
Fold the beaten egg whites and flour mixture alternately into the yolk mixture, empty this mixture into the mold and smooth it out, cover it densely with the pitted cherries.
Knead the butter, sugar, flour and salt into crumbles, crumble them and spread them on the cherries. Preheat the oven to 170 °C and bake the cherry crumble cake for 45 minutes.