Place 30 X 18 inch piece of heavy duty aluminum foil in baking pan, 13 X 9 X 2 inches; place meat on foil.
Sprinkle soup mix on meat and spread with cream of mushroom soup.
Fold foil over meat and seal securely.
Cook in 300Â° oven 4 hours.
Menu-mate: Orange Cauliflower Salad