Step 1

Heat oven to 375°F.

Step 2

Pour sauce into 13x9-inch baking dish sprayed with cooking spray. Stir in 1/4 cup (4 Tbsp.) Parmesan. Add chicken; turn to evenly coat both sides of each breast with pasta sauce mixture. Cover.

Step 3

Bake 30 min. or until chicken is done (165ºF). Meanwhile, cook spaghetti as directed on package, omitting salt.

Step 4

Top chicken with remaining cheeses; bake, uncovered, 5 min. or until mozzarella is melted.

Step 5

Drain spaghetti. Serve topped with chicken and pasta sauce mixture.