Name: Salisbury Steak Burgers
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 6 burgers
Ingredients: 1 1/2 lbs ground beef; 1/2 cup Panko bread crumbs; 1 egg; 1/4 teaspoon black pepper; 1 tablespoon all-purpose flour; 1½ cups beef broth ((low sodium)); 1 oz package brown gravy mix ((dry)); 2 tablespoons ketchup; 1 teaspoon dijon mustard; 2 tablespoons butter; 1 onion (, thinly sliced); 1 cup mushrooms (, thinly sliced); 2 tablespoons cornstarch; 4 tablespoons water; 6 large rolls or Kaiser buns; 6 slices swiss or cheddar cheese