Step 3
Spread 1/4 of the pasta sauce onto bottom of 13x9-inch baking dish sprayed with cooking spray; top with 3 noodles and 1/3 of the remaining pasta sauce. Cover with layers of 3 of the remaining noodles, ricotta mixture, spinach, and half
each of the mozzarella and Parmesan. Cover with 3 of the remaining noodles and half of the remaining pasta sauce; top with remaining noodles, pasta sauce, mozzarella and Parmesan. Cover.