Marinate chicken breasts in Italian dressing in a 9x13-inch glass baking dish for at least 30 minutes in the refrigerator.
Preheat oven to 350.
Bake marinated chicken breasts at 350 for 45-55 minutes, or until chicken is no longer pink in the center.
Cook brown rice according to package directions. Takes about 45-50 minutes for "raw" brown rice to cook!
Reheat or cook butternut squash.
Cook frozen peas as directed on package instructions.
Serve Baked Italian Chicken with Brown Rice, Butternut Squash, and Peas.