Mashed Potato Casserole
In a large soup pot boil the potatoes; drain, season and mash the potatoes.
Add the sour cream, cream cheese and onion and mix thoroughly.
Place in a 2 quart casserole dish and allow to cool; cover and refrigerate for 24 hours.
Top with melted butter and sprinkle with paprika.
Bake in a 350 oven for 30 minutes.