Cut meatballs into quarters. Heat spaghetti sauce and meatball pieces in a medium sauce pan over medium heat unitl hot. Cook frozen ravioloi according to package directions and keep warm. Coat a 13 X 9 X 2 in. glass casserole dish with cooking spray. Place ravioli in an even layer into pan. Ladle sauce and meat balls over top. Sprinkle with cheese. Cover with foil. Bake in a preheated 350 oven for 20 minutes or until cheese melts. May garnish with basil.