HEAT oven to 400°F.
COAT chicken with coating mix as directed on package; place in 8-inch square baking dish sprayed with cooking spray.
BAKE 15 min. Meanwhile, mix tomatoes and herbs.
TOP chicken with tomato mixture and cheese. Bake 15 min. or until chicken is done (165ºF). Meanwhile, cook spaghetti as directed on package, omitting salt.
DRAIN spaghetti. Serve with chicken.