- Heat oven to 400ºF.
- Combine stuffing mix, tomatoes and garlic just until stuffing mix is moistened.
- Place 1 chicken breast on center of each of 6 large sheets heavy-duty foil sprayed with cooking spray; sprinkle with basil. Top with stuffing mixture and cheese. Fold foil to make 6 packets. Place in single layer on rimmed baking sheet.
- Bake 30 to 35 min. or until chicken is done (165ºF). Cut slits in foil to release steam before carefully opening packets.