Make Ahead Mashed Potato Casserole - cooking recipe

Ingredients

8 large potatoes
1/2 stick oleo or butter
2 Tbsp. onion salt
1 pt. sour cream
1 c. grated cheese

Preparation

Cook potatoes; mash and add oleo or butter, onion salt and sour cream.
Put in baking dish; refrigerate overnight.
Put in 350\u00b0 oven.
Sprinkle on grated cheese and bake for 1 hour.