Juicy Grilled Cheeseburgers Recipe | Food Network UK

Ingredients

• Canola oil or nonstick grilling cooking spray, for oiling the grates
• 1 medium red onion, thinly sliced
• Salt and freshly ground black pepper
• 2 tablespoons ketchup
• 2 tablespoons yellow mustard
• 4 whole wheat English muffins, split
• 1 medium ripe tomato, cored and cut into 4 thick slices
• 1 pound 90-percent lean ground beef
• 2 ounces 50-percent reduced-fat sharp Cheddar, grated (about 1/2 cup)
• Pickles, for serving, optional