- Heat grill to medium heat.
- Shape meat into 6 (1/2-inch-thick) patties.
- Grill 6 to 8 min. on each side or until done (160°F), turning occasionally. Top with Singles; grill 2 min. or until melted.
- Fill buns with lettuce, tomatoes, burgers, pickles and ketchup.
- Serving Suggestion: Serve with assorted cut-up fresh vegetables.
- Substitute: Substitute kaiser rolls for the hamburger buns.