Teriyaki Chicken Breasts

6 or 8 ea. Chicken Breasts
1 cup Soy Sauce
3 tbs. Brown Sugar
1/8 cup Butter or Oil
6 oz. can Pineapple juice or pieces
2 ea. Garlic cloves, minced
1 tbs. Gingerroot, minced
1 tbs. Sherry

Procedure: Place chicken breasts in bowl or dish; combine remaining ingredients in saucepan or bowl and heat or microwave just until sugar and butter or oil dissolve; cool; pour over chicken; marinate for at least 2 hours, or longer, in refrigerator. Remove chicken and place directly on grill and cook over medium heat until done, turning and basting frequently with marinade; keep grill lid closed except as otherwise necessary.