Beef Stroganoff
["1 lb. trimmed beef tenderloin", "1 (16 oz.) container sour cream", "3 oz. mushrooms", "2 1/2 Tbsp. enriched flour", "1/4 c. margarine", "1 medium onion, chopped", "1 beef bouillon cube"]
["May use beef that is prepared for fondue."]
["trimmed beef tenderloin", "sour cream", "mushrooms", "flour", "margarine", "onion"]