Sweet BBQ Chicken Quarters

1 cup barbecue sauce

1 cup firmly packed brown sugar

2 teaspoons dried whole thyme

1 teaspoon chili powder

1 teaspoon ground red pepper

6 ounces frozen apple juice concentrate (1 can) thawed and undiluted

5 1/4 pounds chicken leg quarters (12), skinned

3/4 teaspoon salt

1/2 teaspoon pepper

Vegetable cooking spray

Combine first 6 ingredients in a saucepan; stir well. Cook over medium heat for 5 minutes or until thoroughly heated; set aside.

Sprinkle chicken with salt and pepper.

Coat a grill rack with cooking spray; place on grill over medium-hot coals. Place chicken on rack; cook 10 minutes on each side.

Brush chicken with barbecue sauce mixture, and cook an additional 15 minutes or until chicken is done, turning and basting frequently.