4 - teaspoon Worcestershire sauce

4 - can pineapple slices

Salt

8 - Hawaiian sweet or small dinner rolls, split

Lettuce

1/4 - cup barbecue sauce

1/4 - cup pineapple preserves

1 - tablespoon brown sugar, packed

Directions

• In a medium bowl, add the ground beef and Worcestershire sauce. 
• Mix lightly but thoroughly. 
• Shape into 8 (1/2-inch) thick mini patties.
• To make the sauce, in a saucepan, add the barbecue sauce, pineapple preserves, and brown sugar. 
• Bring to a boil, stirring frequently. Remove from heat.
• 3 to 4 inches from heat, broil pineapple slices. Broil 3 to 4 minutes, turning once and brushing with sauce. 
• Remove pineapple; keep warm.
• On a grill, cook 7 to 8 minutes to medium (160°F) doneness, until not pink in center and juices show no pink color, turning halfway through and brushing with sauce. Season with salt.
• Cut each pineapple slice into thirds. 
• Line bottom of each roll with lettuce; top with a burger, then with a pineapple piece.