1.5 c. water
2 (15.5 oz.) jars spaghetti sauce
1 lg. box lasagna noodles, uncooked
15 oz. ricotta cheese
8 oz. mozzarella cheese
1/2 c. Parmesan cheese
Combine water with spaghetti sauce in bowl. Cover bottom of 9x13 pan with 1.25 c. sauce. Arrange uncooked noodles (overlapping a little) on top of sauce. Spread half the ricotta and half the mozzarella over noodles. Sprinkle with 2 T. Parmesan cheese. Add another layer of sauce. Repeat with another layer of noodles, ricotta, and mozzarella and 2 T. Parmesan. Top with another layer of noodles and remaining sauce. Sprinkle with Parmesan. Cover tightly with foil. Bake at 350° for 1 hour. Let stand uncovered 10 minutes before serving.