2
Spread 2 cups of the pasta sauce in ungreased rectangular pan, 13x9x2 inches; top with 4 uncooked noodles. Spread ricotta cheese mixture over noodles. Spread with 2 cups pasta sauce and top with 4 noodles; repeat with 2 cups pasta sauce and 4 noodles. Sprinkle with 2 cups mozzarella cheese. Spread with remaining pasta sauce. Sprinkle with 1/4 cup Parmesan cheese.