|Cook manicotti in boiling water for 8 minutes or until al dente. Place on wax paper or aluminum foil to cool so they don't stick together.|
Brown sausage; drain and set aside.
In a large bowl, combine cheeses and Italian seasoning. Add sausage and mix.
Spread the bottom of a roasting pan or cake pan with a thin layer spaghetti sauce.
Stuff cheese and sausage mixture into the manicotti. Place the stuffed manicotti in the pan in a single layer. Add sauce to the top of the manicotti. Cover with aluminum foil and bake at 350° for 40 minutes.