Heat oven to 375°F. In 13x9-inch (3-quart) glass baking dish, arrange drummettes in single layer.
In small bowl, mix remaining ingredients; pour over drummettes to cover.
Bake 30 minutes. Turn drummettes; bake 15 to 20 minutes longer or until drummettes are glazed and juice of chicken is clear when thickest part is cut to bone (180°F).