Beat with a mixer at low speed margarine, room temperature, with icing sugar. Add starch and vanilla sugar, also beat. Add flour, beat the dough with a mixer, until smooth. Scoop the dough into a lump. 1 tsp put dough on crushed nuts, form a ball and put on parchment. Bake cookies in a preheated oven to 180 degrees, for 20 minutes. Cool the finished cookies.