1. Cook noodles according to package directions. Meanwhile, in a large saucepan, combine cornstarch and milk until smooth. Whisk in the broth, tomato sauce, Parmesan cheese, garlic, mustard, basil, nutmeg and cayenne. Bring to a boil over medium heat; cook and stir for 2 minutes or until thickened. Remove from the heat.
2. Drain noodles. Spread 1/4 cup sauce into a greased 13-in. x 9-in. baking dish. Set aside 1 cup sauce. Stir chicken and tomatoes into the remaining sauce.
3. Layer four noodles and half of the chicken mixture in baking dish. Repeat layers. Top with remaining noodles; spread with reserved sauce. Sprinkle with cheddar cheese and paprika.
4. Cover and bake at 350° for 45-50 minutes or until bubbly. Let stand for 15 minutes before cutting. Sprinkle with parsley. Yield: 9-12 servings.