Cut all products Savoury fillet with soy sauce and pepper. Fry chicken fillets in margarine by adding and mustard. In another court fry onions, garlic and green pepper for 4-5 minutes, then add the mushrooms - leave to boil for 10-15 minutes, until tender mushrooms. Then add the fried fillet, beer, sour cream - leave for another 10 minutes. Before removing from the heat add the chopped parsley and lemon.