The flour is mixed with finely grated parmesan cheese, add the soft butter and cold water. Knead dough, which put 1/2 tsp sesame. Divide by 12 small balls, which in turn are rolled and is then the elongated rod. They rolled in sesame seeds and arrange in littered with paper baking tray. Grissini bake 15 minutes at 180 C. Immediately prior to the exclusion of the oven, grissini to be slightly red.