Preheat oven to 350°. Spray 13 by 9-inch baking dish with nonstick cooking spray.

Cook pasta according to package directions. Drain; Rinse with cold water. Let pasta dry on paper towels.

For filling, in medium bowl, stir together 3 cups mozzarella with the ricotta and fresh basil. Using a teaspoon, carefully stuff shells with prepared cheese mixture.

Spoon 2 cups spaghetti into prepared baking dish. Arrange stuffed pasta over sauce. Pour remaining spaghetti sauce over top of pasta. Sprinkle with remaining mozzarella.

Bake manicotti for 15 minutes. Sprinkle with the parmesan. Bake for 10 minutes longer. Enjoy :-)