3 (6 oz.) cans chicken
3 cans chopped chilies
1 can cream of mushroom soup
1 can cream of chicken soup
1 lg. can evaporated milk
1/2 onion, chopped
1 lb. cheddar cheese, grated
1 (7 oz.) bag Doritos, coarsely crushed

Mix all ingredients except cheese. Pour into 9"x13" casserole. Cover with grated cheese. Bake, uncovered in preheated 350 degree oven for 30 to 40 minutes.