PREPARE pasta as directed on package.
SPRAY large nonstick skillet with no stick cooking spray. Add chicken; cook and stir on medium-high heat until cooked through. Add green pepper; cook and stir 1 minute.
STIR in sauce; cook on low heat 1 minute or until thoroughly heated. Toss with pasta. Serve with KRAFT 100% Grated Parmesan Cheese, if desired.
Take a Shortcut: : Substitute 1 pkg. (6 oz.) LOUIS RICH Grilled or Italian Style Chicken Breast Strips for fresh chicken. Spray skillet with no stick cooking spray. Add green pepper; cook and stir until tender-crisp. Add chicken breast strips and sauce; heat thoroughly. Continue as directed.