Melt the butter/margarine.
Knead all the ingredients into a dough.
Chill for 30 minutes.
Flour the surface and roll out the dough to a thickness of 5 mm. Cut out biscuits.
Bake in a preheated fan oven at 180 degrees for approx. 10 minutes.
Optional: Decorate with dark chocolate and chestnut flakes before baking