1 1/2 lb. round steak or chuck roast
8 oz. sliced fresh mushrooms
1/2 c. butter
1 lg. Bermuda onion, finely chopped
1 can condensed tomato soup
1 (6 oz.) can tomato paste
1 tsp. salt
1/8 tsp. pepper
1 tsp. soy sauce
1 c. sour cream

Cut meat into very thin strips; trim off excess fat. Brown meat and mushrooms in butter. Add onions. Combine soup, tomato paste and seasonings; add to meat mixture. Cover, simmer for 1 hour. Just before serving, stir in sour cream. Serves 8.