1 med. potato, do not peel
1 box 10X powdered sugar
Peanut butter

Boil potato in jacket until fork tender. Peel potato and mash in large bowl. Add powdered sugar 1 cup at a time until a firm dough. Roll between waxed paper to 1/4" thick. Remove top layer of waxed paper. Spread peanut butter on potato dough. Roll jelly roll style. Chill until well set. Slice into pretty pinwheel candies.