Leftover Chicken Casserole

2 cups chicken, chopped
1 cup celery, chopped
1 small onion, chopped
1/2 cup milk
1 can cream of mushroom soup
3 cups potato chips, crushed
Grated cheese
Mix celery, chicken, and onion together; put 1/2 of this mixture
in an ungreased baking dish. Spoon 1/2 can of soup and
1/4 cup milk over the meat mixture and sprinkle 1 1/2 cups
crushed chips over all.
Repeat layers one more time and sprinkle cheese on top.
Bake 30 minutes at 350 degrees.