Nannie's Make-Ahead Potato Casserole

Recipe courtesy of doubleeagle2222

• Three lbs. medium potatoes  (about 6 large)
• 1 1/2 cups sour cream
• 4 tbsp of butter  (melted) 
• 1 1/2 tsp salt 
• 1/4 tsp pepper

Cook potatoes in salted water, add sour cream, butter, salt and pepper............beat on low speed until blended.  Then use high speed until they are fluffy.

Butter a 2 qt casserole - fill with potatoes - . Cover and refrigerate over night. (You can also make the recipe in the morning for an evening dinner.)  Bake at 325 degrees covered for 1 hour - remove the cover and bake for another 30 minutes.

***You can also sauté finely chopped onions in butter until soft and add to the potatoes.