Salisbury Steak Burgers

Instructions

1. Combine beef, bread crumbs, egg, pepper and flour in a large bowl. Shape into 6 patties.
2. In a small bowl, combine, broth, gravy mix, ketchup and dijon, set aside.
3. Cook onions in butter over medium low heat for about 5 minutes or until slightly softened. Add mushrooms and cook an additional 3 minutes. Remove from pan and set aside.
4. Brown beef patties on both sides. Pour gravy mixture, mushrooms & onions over top and simmer covered for about 15-20 minutes or until patties are cooked through. Stack the patties in one side of the pan.
5. Combine cornstarch and water in a small bowl. Bring the gravy up to a low boil and whisk in the cornstarch mixture a little at a time until gravy thickens (you may not need all of it).
6. To assemble burgers, place 1 slice of cheese, 1 patty and a spoonful of mushroom gravy on each roll. Top with your favorite toppings.