Stuff each Manicotti with ¼ cup chicken mixture and place in a greased 9x13 pan. Continue rolling manicotti until all filled and in the pan.
Add crushed tomatoes to a saucepan over low heat. Add Italian seasoning, grated Parmesan cheese and stir until heated and simmering.
Pour crushed tomato sauce over Manicotti and sprinkle with Parmesan cheese.
Bake at 350 for 35-40 minutes.