Add to meat mixture; stir until blended. Spread 1 cup meat sauce onto bottom of 13x9-inch baking dish; top with layers of 3 lasagna noodles, 1/3 of the ricotta cheese mixture and 1 cup meat sauce.

BAKE 30 min. or until heated through. Save 30 calories and 5g fat per serving by preparing with PHILADELPHIA Neufchatel Cheese and KRAFT 2% Milk Shredded Mozzarella Cheese.