2 boneless skinless chicken breast halves (6 ounces each)
In a small saucepan, combine the first 5 ingredients. Bring to a boil over medium heat; cook for 1 minute. Cool for 10 minutes. Pour into a shallow dish; add chicken and turn to coat. Cover and refrigerate for at least 2 hours.
Drain and discard marinade. Grill chicken, covered, over medium heat until a thermometer reads 165°, 7-8 minutes on each side .