this can be made ahead - which makes it perfect with the holidays coming up!
Ingredients:
day before potatoes
5 pounds of cooked potatoes
1 stick of margarine
1/2 cup of half and half
8 ozs. of cream cheese
1 tsp. of onion salt
1 tsp. of seasoned salt
salt and pepper to taste
whip all ingredients until smooth. grease a 9x13 pan and pour potatoes in pan. refrigerate until the day of cooking. dot with some butter. bake at 350 degrees for 30-40 minutes.