Melt the butter in a saucepan. Then knead the melted butter with the remaining ingredients to form a crumbly dough.
Cut small balls from the dough and shape into flat, 5 - 7 mm thick biscuits. Place these on a baking sheet lined with baking paper. Bake with hot air for 10-15 minutes at 180 ° C until the biscuits are golden brown.
Danger! Since the cookies disintegrate easily when warm, they should definitely cool down on the baking sheet. They only get their crispy consistency after they have cooled down.