Make-Ahead Potatoes - cooking recipe

Ingredients

12 large potatoes
8 oz. cream cheese
8 oz. sour cream
1 tsp. onion flakes
1/4 tsp. or less garlic salt
1/4 c. butter (optional)
1/2 c. grated cheese (optional)

Preparation

Peel and cook potatoes in salted water; drain.
Combine all, except butter and cheese, while still hot; whip or mash until fluffy.
Spread in large casserole or divide into 2 casseroles (buttered).
Refrigerate or freeze until ready to use.