Mix the flour, baking powder, sugar and vanilla sugar together. Add the egg, butter and milk and knead everything into a shortcrust pastry. Wrap the dough in foil and let it rest in the refrigerator for 30 minutes.
Then roll out and cut out any shapes. Bake at 180 ° for 5-8 minutes.
From powdered sugar and e.g., Mix lemon juice with a glaze and glaze the cooled biscuits with it. Decorate as you wish.