1 can Campbell's cream of mushroom soup, divided
1 lb. ground beef
1/2 c. dry bread crumbs
1 egg, beaten
1/4 c. onion, finely chopped
1 1/2 c. mushrooms, sliced

In bowl, mix thoroughly 1/4 cup of the soup, beef, bread crumbs, egg, and onion, shape firmly into 6 patties.

In skillet over medium - high heat, cook patties, few at a time, until browned on both sides, spoon off 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. Makes 6 servings.