1. Prepare mashed potatoes according to directions. Add cream cheese (cubed), sour cream, salt, pepper and garlic powder to taste. Whip until smooth. Pour into casserole dish sprayed with Pam. Dot with butter and sprinkle with paprika. Cover, and refrigerate overnight. Bake in 350 degree oven uncovered for 1 hour.
May easily halve (mashed potatoes for 6) or 1 1/2 (mashed potatoes for 16).