8 servings, 1 cup each
Heat oven to 350ºF.
Cook spaghetti as directed on package, omitting salt.
Meanwhile, cook and stir chicken in large skillet sprayed with cooking spray on medium-high heat 8 to 10 min. or until done. Add remaining ingredients; cook and stir 5 min. or until VELVEETA is completely melted and mixture is well blended.
Drain spaghetti. Add to chicken mixture; mix lightly. Spoon into 9-inch square pan sprayed with cooking spray.
Bake 30 to 35 min. or until heated through.