Mashed Potato Casserole - cooking recipe

Ingredients

8 large potatoes
1 -2 tablespoon onion salt
1 pint sour cream
4 tablespoons butter
1 cup cheddar cheese or 1 cup colby cheese, grated

Preparation

Peel and cook potatoes until tender.
Mash potatoes with onion salt and sour cream.
Add butter.
Place in a 2 quart casserole dish and press down slightly.
Top with cheese. Refrigerate overnight. Bake at 350\u00b0F for 1 hour.