Potatoes Au Gratin - cooking recipe

Ingredients

1 can cream of celery soup
1/2 c. milk
1 small minced onion
5 c. sliced, cooked potatoes
1 c. shredded process cheese

Preparation

In a buttered casserole, arrange layers of potatoes, soup mixture and cheese.
Bake for 30 minutes at 400\u00b0.