Salisbury Steak

Mandy made Salisbury Steak for this month.  Here is her recipe:

Ingredients

1 (10.75 ounce) can Campbell's® Condensed Cream of Mushroom Soup

1 pound ground beef

1/3 cup dry bread crumbs

1 egg, beaten

1/4 cup minced onion

1 tablespoon vegetable oil

1 1/2 cups sliced mushrooms

Directions

Mix thoroughly 1/4 cup soup, beef, bread crumbs, onion and egg. Shape firmly into 4 patties, 1/2 inch thick.  Freeze.  To serve, thaw and cook patties in skillet until browned. Pour off fat. Add remaining soup and add mushrooms if desired. Heat to a boil. Cover and cook over low heat 10 minutes or until done.