Bistro Burger

Directions

1. 1
   Heat barbecue to medium-high heat.
2. 2
   Shape meat into 4 (1/2-inch-thick) patties.
3. 3
   Grill 4 to 6 min.
4. 4
   on each side or until done (160F).
5. 5
   Top with Singles; grill 1 min.
6. 6
   or until melted.
7. 7
   Meanwhile, place onions and buns, cut-sides down, on grill; cook 1 to 2 min.
8. 8
   or until onions are lightly browned and buns are lightly toasted, turning onions once.
9. 9
   Mix remaining ingredients; spread onto bottom halves of buns.
10. 10
    Fill buns with cheeseburgers and onions.