Preheat the oven to 400 degrees. In a large bowl, mix the chicken, ricotta, and vodka sauce. Next add the salt, pepper, and Italian seasoning. Test the mixture and adjust seasonings as needed.
Cut the pepper in half and remove any seeds and interior membrane. Remove the stem and stuff each pepper with the chicken mixture
Arrange each stuffed pepper on a greased sheet pan and top with shredded mozzarella cheese.
Cover the peppers with foil and bake for 30 - 35 minutes. Remove the foil and bake them for an additional 10 minutes or until the cheese is bubbly.