9oz can sliced pineapple in own juice
1 lb extra lean ground beef
4 whole wheat lite hamburger buns
2 Tbsp pineapple juice
1/4 cup light brown sugar
1/2 cup ketchup
2 drops liquid smoke

Drain pineapple, reserve 2 Tbsp juice.  Make 4 patties.  In separate bowl, mix juice, brown sugar, ketchup, and liquid smoke.  Mix well.  In skillet, pan-fry patties and pan-fry pineapple rings.  Brush with sauce while cooking.  Place patty and ring on bun.

Makes 4 servings.