6 boneless skinless chicken breast halves (5 ounces each)
In a blender, combine the first eight ingredients; cover and process until smooth. Place marinade in a large resealable plastic bag. Add the chicken; seal bag and turn to coat. Refrigerate for at least 2 hours.
Drain and discard marinade. Lightly oil the grill rack. Grill chicken, covered, over medium heat or broil 4 in. from the heat for 5-7 minutes on each side or until a thermometer reads 170°.