Simmer sauce and water for 5 minutes. Beat together remaining ingredients and blend until smooth. Spread 1 1/2 cups spaghetti in a 9 x 13-inch pan. Top with 1/2 of an 8-ounce package lasagna noodles, uncooked. Add 1/2 cheese mixture. Then add 6 ounces shredded mozzarella cheese. Repeat all layers. Top with Parmesan cheese. Cover and bake at 350 degrees for 50 to 55 minutes. Uncover and bake 5 minutes more. Let stand 15 minutes.