Irish Potato Candy
["1 medium potato", "powdered sugar", "peanut butter"]
["Cook, peel and mash one medium potato; add powdered sugar (enough to make a stiff dough).", "Roll out and spread with peanut butter.", "Roll as a jelly roll.", "Roll the candy in powdered sugar. Chill, then slice."]
["potato", "powdered sugar", "peanut butter"]