COOK pasta as directed on package.
MEANWHILE, beat broth and flour in medium saucepan with whisk until well blended. Add cream cheese, 2 Tbsp. Parmesan, nutmeg and pepper; cook 2 min. or until mixture comes to boil and thickens, stirring constantly.
DRAIN pasta; place in large bowl. Add sauce; toss to coat. Sprinkle with remaining Parmesan and parsley.