- Heat grill to medium-high heat.
- Shape meat into 8 (1/4-inch thick) patties. Top each of 4 patties with 4 Singles pieces; cover with remaining patties. Pinch edges together to seal.
- Grill burgers and onions 6–7 minutes on each side or until burgers are done (160°F) and onions are tender.
- Fill buns with burgers, onions and remaining ingredients.
- Recipe provided by KRAFT
per serving: 220 calories, 12g total fat, 4g saturated fat, 65mg cholesterol, 95mg sodium, 1g carbohydrates, 1g dietary fiber, 0g sugar, 31g protein