Combine first 6 ingredients in a large zip-top plastic bag.
Add chicken to bag; seal, and turn to coat. Marinate at room temperature 30 minutes, turning occasionally.
Preheat oven to 45
Remove chicken from bag, reserving marinade.
Combine reserved marinade and cornstarch in a medium saucepan, stirring with a whisk. Bring marinade mixture to a boil over medium heat; cook 3 minutes or until mixture thickens, stirring occasionally.
Place chicken on a wire rack coated with cooking spray.
Place rack on a rimmed baking sheet.
Bake at 450 for 15 minutes.
Brush 1/2 cup marinade mixture over chicken.
Bake an additional 15 minutes or until chicken is done.
Place chicken in a large bowl.
Add remaining marinade mixture; toss well to thoroughly coat chicken.