Simple Salisbury Steak
["1 can Campbell's cream of mushroom soup, divided", "1 lb. ground beef", "1/3 c. dry bread crumbs", "1 egg, beaten", "1/4 c. finely chopped onion", "1 1/2 c. sliced mushrooms"]
["In bowl, mix thoroughly 1/4 c. of the soup, beef, bread crumbs, egg and onion. Shape firmly into 6 patties. In skillet over medium high heat, cook patties, until browned on both sides. Remove patties and discard fat. Stir in remaining soup and mushrooms; return patties to skillet. Reduce heat to low. Cover; simmer 20 minutes or until done, turning patties occasionally."]
["Campbell's cream", "ground beef", "bread crumbs", "egg", "onion", "mushrooms"]