Ingredients:

1 ½ lbs ground beef
½ cup chopped green onions
2 tbsp worcestershire sauce
1/8 tsp  fresh ground black pepper
1/3 cup pineapple reserves
1/3 cup barbecue sauce
6 pineapple slices
6 hamburger buns, split and toasted

Directions:

Combine beef, onions, worcestershire and pepper in large bowl. Shape into six1-inch -thick patties.

Combine preserves and barbecue sauce in small saucepan. Bring to a boil over medium heat, stirring often.

Place patties on grill rack directly above medium grill. Grill, uncovered, until desired doneness, turning and brushing often  with sauce. Place pineapple on grill; grill 1-2 minutes or until browned, turning once.

To serve, plates patties on buns with pineapple.