1 (10.5 ounce) can condensed French onion soup
1 1/2 pounds ground beef
1/2 cup dry bread crumbs
1/4 teaspoon salt
1/8 teaspoon ground black pepper
1 tablespoon all-purpose flour
1/4 cup ketchup
1/4 cup water
1 tablespoon Worcestershire sauce
1/2 teaspoon mustard powder
1.In a large bowl, mix together 1/3 cup condensed French onion soup with ground beef, bread crumbs, egg, salt and black pepper. Shape into 6 oval patties.
2.In a large skillet over medium-high heat, brown both sides of patties. Pour off excess fat.