Arrange the chicken in bottom of a oven-proof casserole that has been coated with no-stick spray.

Place tomatoes, onions, red peppers, tomato paste, basil, thyme, oregano, garlic and red pepper in a blender. Process on medium speed until smooth.

Pour the sauce over the chicken. Cover and bake at 350 F for 30 minutes. Remove cover and continue baking for 10 minutes more.