Cut the meat, onions and mushrooms and mix with spices. Take aluminum foil and cut into squares in 7-8 portions. The mixture was dispensed into each square equally, each portion is placed in 1 tsp butter. Can put cheese optional. Take all parts of fthe oil and turn. All portions are arranged in a baking dish and pour 1-2 cups of water. Bake in a moderate oven. In the tray should always have water.