For the Salisbury Steaks:
- 1/2 onion, grated
- 1/2 cup panko breadcrumbs (or regular breadcrumbs)
- 1 lb (500g) ground beef (mince)
- 1 clove garlic, minced
- 1 egg
- 2 tablespoons ketchup
- 1 beef bouillon cube, crumbled
- 1/2 teaspoon Worcestershire sauce
- 3 teaspoons Dijon mustard (or 2 teaspoons dry mustard)
For the Mushroom Gravy:
- 1 tablespoon olive oil
- 2 cloves garlic, minced
- 1/2 onion, finely chopped
- 5 oz (150g) mushrooms, sliced
- 2 tablespoons unsalted butter
- 3 tablespoons all-purpose flour
- 2 cups beef broth (low sodium)
- 1/2 cup water
- 2 teaspoons Dijon mustard
- 2 teaspoons Worcestershire sauce
- Salt and pepper, to taste