1 10 1/2 oz. can French onion soup
1 1/2 lbs. ground beef
1/2 cup dry bread crumbs
1 Tbsp. flour
1 egg
1/4 tsp. salt
1/4 cup ketchup
1-3 tsp. Worcestershire sauce, to taste
1/2 tsp mustard powder
1/4 cup water
1/8 tsp. ground black pepper
In a large bowl, mix together 1/3 cup of 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.
This recipe is NOT an original recipe. I do not remember the attribution.