Prepare a light roux from the butter and 2-3 tbsp flour, which is diluted with cold milk and 2 yolks and season to taste with pepper and nutmeg . Retired aside and cool down, add the grated cheese. The mixture prepared thin oblong balls that rolled in flour, dip in beaten eggs and breadcrumbs (or thick pancake dough) and fry quickly until svetlozlatisto coloring in hot fat.