Banzai Burgers

Directions

1. 1
   Combine all marinade ingredients in a small saucepan over medium high heat.
2. 2
   Bring to a boil, then reduce heat and simmer 10 minutes or until thickened.
3. 3
   Cover and refrigerate at least 30 minutes.
4. 4
   Pour a layer of marinade into a baking dish or a large storage container.
5. 5
   Place beef patties on top in a single layer, top with enough sauce to cover.
6. 6
   Refrigerate at least 4 hours, or overnight.
7. 7
   Put the pineapple in a separate container with remaining sauce, cover and chill.
8. 8
   Preheat grill to medium heat.
9. 9
   Cook burgers 3 to 5 minutes per side, or until desired doneness.
10. 10
    When you flip the burgers and pineapple slices to grill and cook until the grill marks show, turning once.
11. 11
    About 1 minute before burgers are finished, place 2 slices of cheese on top of each patty to melt.
12. 12
    Spread mayonnaise on bottom of each bun.
13. 13
    Layer a patty with tomato and pineapple slices.
14. 14
    Cover with lettuce, and finish with bun top.
15. 15
    These are also wonderful with grilled onions.