1 (10.5 ounce) can condensed French onion soup 1 12 pounds ground beef 12 cup dry bread crumbs 1 egg 14 teaspoon salt 18 teaspoon ground black pepper 1 tablespoon all-purpose flour 14 cup ketchup 14 cup water 1 tablespoon Worcestershire sauce 12 teaspoon mustard powder
In a large bowl، mix together 13 cup condensed French onion soup with ground beef، bread crumbs، egg، salt and black pepper. Shape into 6 oval patties. In a large skillet over medium-high heat، brown both sides of patties. Pour off excess fat. In a small bowl، blend flour and remaining soup until smooth. Mix in ketchup، water، Worcestershire sauce and mustard powder. Pour over meat in skillet. Cover، and cook for 20 minutes، stirring occasionally.