Step 1

In a large bowl combine the egg, crushed pineapple and bacon. Add ground beef; mix lightly to combine. (Do not overmix.) Form into six 3/4-inch-thick patties.

Step 2

Grease grill rack. Grill patties, covered, over medium-high heat for 8 to 12 minutes or until done (160 degrees F) (see Tip), turning once. Spread top of each burger with 1 tablespoon of the barbecue sauce.

Step 3

Serve burgers in rolls with lettuce, tomatoes and onion.