1 1/2 lbs ground beef
1/2 cup dry breadcrumbs
1/4 teaspoon salt
1/8 teaspoon ground black pepper, to taste
1 tablespoon all-purpose flour
1/4 cup ketchup
1 -3 teaspoon Worcestershire sauce, to taste
1/2 teaspoon mustard powder
1/4 cup water
1 In a large bowl, mix together 1/3 cup condensed French onion soup with ground beef, bread crumbs, egg, salt and black pepper.
2 Shape into 6 oval patties.
3 In a large skillet over medium-high heat, brown both sides of patties.
4 Pour off excess fat.
5 In a small bowl, blend flour and remaining soup until smooth.
6 Mix in ketchup, water, Worcestershire sauce and mustard powder.
7 Pour over meat in skillet.
8 Cover, and cook for 20 minutes, stirring occasionally.