Inside-Out Cheeseburger

• 1 lb. (450 g) extra-lean ground beef
• 1 cup  Shredded Old Cheddar Cheese, divided
• 1 small red onion, sliced
• 4 hamburger buns, toasted
• 1 plum tomato, thinly sliced
• 4 lettuce leaves
• ketchup. mustard, relish

To Make:

1. Heat barbecue to medium-high heat.

2. Shape meat into 8 (1/4-inch thick) patties, filling each stuffed burger with 1/4 cup shredded cheese.; cover with remaining patties. Pinch edges together to seal.

3 Grill burgers and onions 6 to 7 min. on each side or until burgers are done (160ºF) and onions are tender.

4. Fill buns with burgers, onions and remaining ingredients.