HEAT oven to 375ºF.
COOK pasta in large saucepan as directed on package, omitting salt and adding spinach to the boiling water for the last minute.
MEANWHILE, cook and stir chicken and basil in large nonstick skillet sprayed with cooking spray on medium-high heat 3 min. Stir in tomatoes and spaghetti sauce; bring to boil. Simmer on low heat 3 min. or until chicken is done. Stir in Neufchatel.
DRAIN pasta mixture; return to pan. Stir in chicken mixture and 1/2 cup mozzarella; pour into 2-qt. casserole sprayed with cooking spray.
BAKE 20 min. or until heated through; top with remaining cheeses. Bake 3 min. or until mozzarella is melted.
Kraft Kitchens Tips
Serving SuggestionServe with CRYSTAL LIGHT Iced Tea.SubstituteIf watching sodium, prepare using no-salt-added diced tomatoes and 1-1/2 cups of your favorite lower-sodium spaghetti sauce.
SubstituteSubstitute an 8-inch square baking dish for the 2-qt. casserole.
This was really good and I even made it without cream cheese because I didn't have any. My husband loved it and I felt good that it's somewhat healthier than typical baked pasta due to the chicen and spinich and lower amounts of cheese.