Cut the meat into thin steaks. Season with spices. Fry until golden in the butter, to seal his juices. In the same oil fry the mushrooms separately and cut onions into rings. On pieces foil (large enough to turn good) line the following way products - beef, mushrooms, pork, onion, chicken and a large piece of cheese. Fthe oil is screwed tightly and bake at 180 C 45-50 minutes. Serve with fthe oil.