Gourmet Patty Melts
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