Preheat oven to 350°F. In a large pot cook macaroni according to package directions. Drain and return to pot. Stir in pasta sauce, cauliflower, broccoli, tomato sauce, Parmesan, whipping cream, and 1 cup of the mozzarella. Transfer to a 2-quart square or rectangular baking dish. Sprinkle with remaining mozzarella.
Bake, uncovered, for 25 minutes or until heated through.