cook Manicotti in a large pot of boiling water according to package directions. drain and rinse with cold water;drain again.

preheat oven to 350. Spray a baking dish with cooking spray. Mix 3 cups mozzarella with soft cream cheese. Stuff the manicotti; place in prepared baking dish.

Spoon marinara sauce over manicotti.

Sprinkle manicotti with remaining mozzarella. Bake for 15 minutes. Sprinkle with parmesan. Bake for 10 more minutes.