Cut steaks into 1/2 inch by 2 inch strips. Heat 3 tablespoons of the butter in frying pan or heavy skillet. Over high heat, saute meat 3 to 4 minutes tossing constantly until meat is cooked to your likeness. Remove and keep warm.
Add green onions and mushroom saute 3 to 4 minutes. Add the juice of lemon juice and meat drippings. Boil over high heat about until juices are a glaze about 1/4-inch deep in pan. Whisk remaining butter. Return meat and mushrooms to pan. Toss and cook over high heat until mixture is hot.
Serve immediately over rice or noodles.