|Source: Wendy Krakowka (1972)|
|Prep time: 20 minutes||Cooking time: 2 hours||Total time: 2 1⁄3 hours|
Spread center of aluminum foil with butter. Cut steak into serving portions. Arrange on foil, slightly overlapping each portion. Sprinkle with onion soup mix, mushrooms, green pepper and tomatoes. Season. Mix juice, A.1. sauce and cornstarch. Pour over meat and vegetables. Bring foil up over and double fold edges to seal tightly. Bake 2 hours at 365°. Roll back foil and sprinkle with parsley.