Gourmet Patty Melts
- Category: Hamburgers
- Author: Suzanne
- Rating: 5.0
- Prep time: 20 min
- Cook time: 25 min
Ingredients
- 1 pound ground sirloin
- 1 tablespoon Worcestershire sauce
- 2 cloves garlic, minced, or more to taste
- ½ teaspoon salt
- ½ teaspoon ground black pepper
- 3 tablespoons unsalted butter
- 3 tablespoons olive oil
- 2 medium onions, sliced
- cooking spray
- 4 slices Cheddar cheese
- 4 teaspoons Dijon mustard
- 8 slices rye bread, lightly toasted