1 package chicken breasts (however many you need)
Miracle Whip
Parmesan Cheese

Layer chicken in casserole dish. Mix together equal parts of Miracle Whip and Parmesan cheese (as much as you will need to cover the number of chicken breasts you are cooking). Spread mayo/cheese mixture over chicken breasts. Bake in 350 F oven for 1 hour or until done.