01 -
Preheat oven to 350°F.
02 -
Cut up cooked chicken into bite-sized pieces.
03 -
Add penne pasta to boiling water and cook for about 9 minutes, until just short of al dente. Drain pasta.
04 -
In a large bowl combine chicken, penne pasta, 16 ounces of mozzarella cheese, Parmesan cheese, and sauce (reserve about a cup of the sauce and set aside). Toss until ingredients are coated.
05 -
Pour mixture into a greased 9x13 inch casserole dish. Add remaining cup of sauce to the top of the casserole and then sprinkle with remaining 4 ounces of mozzarella cheese.
06 -
Place in oven and bake for 30 minutes. The dish is ready when the cheese on top is fully melted and heated through.
07 -
Remove from the oven and serve hot.