Step 1

Cook pasta as directed on package, omitting salt.

Step 2

Meanwhile, cook chicken in large nonstick skillet on medium-high heat 5 to 7 min. or until done, stirring occasionally. Remove from skillet. Mix flour and broth in same skillet with whisk. Stir in Neufchatel, 2 Tbsp. Parmesan, garlic powder and pepper; cook 2 min. or until mixture boils and thickens, stirring constantly. Stir in chicken.

Step 3

Drain pasta; place in large bowl. Add chicken mixture; toss to coat. Sprinkle with remaining Parmesan.