1 med. white potato
1 lb. confectioners' sugar
Peanut butter

Boil potato, peel and mash thoroughly or put through a sieve. Stir in sugar to form a stiff dough. Roll the dough on a lightly floured board or wax paper to 1/4 inch thickness. Spread generously with peanut butter. Roll up jelly roll fashion and chill before slicing.