- Pour 4 tablespoons of the dressing over chicken in resealable plastic bag and seal. Turn bag over several times to evenly coat chicken with dressing. Refrigerate 10 minutes to marinate.
- While chicken is marinating, combine tomatoes, cheese, basil and remaining 2 tablespoons of dressing.
- Remove chicken from marinade bag and place in baking dish. Bake at 350 degrees for 10 minutes.
- Spoon tomato mixture over chicken breasts and bake an additional ten minutes.