|Packed brown sugar||1⁄2 Cup (8 tbs)|
|Soy sauce||1⁄2 Cup (8 tbs)|
|Sweet sake/Mirin/dry sherry||2 Tablespoon|
|Grated onion||1 Tablespoon|
|Garlic||1 Clove (5 gm), minced|
|Whole chicken breasts||4 Large, split, skinned, and boned|
|Vegetable cooking spray/Cooking oil||1 Tablespoon|
In saucepan stir together brown sugar, soy, sake, onion, and garlic.
Cook and stir over low heat till sugar dissolves.
Cook, uncovered, till like thin syrup, about 5 minutes more; cool.
Place chicken in shallow baking dish.
Pour soy mixture over chicken.
Cover; refrigerate 4 to 6 hours or overnight, occasionally spooning marinade over.
Remove chicken; reserve marinade.
Coat grill with non stick spray coating or cooking oil.
Grill chicken over medium-hot coals for 15 to 20 minutes; turn often.
Brush frequently with reserved marinade.