Nacho Doritos Chicken Casserole

1 fryer chicken, deboned
1 can mushroom soup
1 can cream of chicken soup
1 can chopped green chilies
1 can evaporated milk
Shredded cheddar cheese
1 bag nacho Doritos, crushed

Heat the deboned chicken and can ingredients together. Spray a 9-by-13-inch pan with nonstick cooking spray, and layer with the following: crushed Doritos, chicken mixture and cheese. Bake at 350 for 30 minutes.