Directions1. Cut a wide pocket in each chicken breast half, taking care to not cut through back or sides of chicken. Place chicken in large resealable plastic bag or glass dish. Add 1/2 cup of the marinade; turn to coat well.
2. Refrigerate 30 minutes or longer for extra flavor. Remove chicken from marinade. Discard any remaining marinade. Stuff each pocket with 1 slice of the mozzarella cheese and 1/4 of the roasted peppers. Press chicken lightly to seal.
3. Grill chicken over medium heat 7 to 8 minutes per side or until cooked through, turning carefully with spatula. Brush chicken with remaining 1/4 cup marinade.