Marinate Chicken Breasts in enough vinaigrette to cover, for 2-3 hours.
Clean and Slice Bell Pepper
Halve Cherry Tomatoes
Discard marinade. Assemble chicken breast in casserole dish. Cover with sliced bell pepper, drizzle a bit of olive oil if you like, then cover. Bake chicken breast in a preheated 375 degree oven for 25 minutes or until juices run clear.
Dice chicken. In a heated skillet, toss in the peppers, chicken, tomatoes and vinaigrette to suit your taste.