Whisk first 4 ingredients in medium bowl. Add chicken and turn to coat. Cover and let stand 30 minutes.
Preheat broiler. Line broiler pan with foil. Remove chicken from marinade in bowl. Broil chicken 6 minutes. Turn chicken over and brush with reserved marinade. Sprinkle with BelGioioso Kasseri and broil until chicken is cooked through, about 4 minutes. Transfer to plates, garnish with parsley and serve.