Potato Candy
["1 small potato or 1/4 c. dry potatoes, mixed with sugar", "1 Tbsp. butter", "1 tsp. vanilla", "1 box confectioners sugar", "2 to 3 Tbsp. cream"]
["Mash potato and blend in butter and sugar.", "Sprinkle confectioners sugar on waxed paper and roll candy out on it in a rectangle.", "Spread with peanut butter; roll up and chill.", "When chilled, slice and serve."]
["potato", "butter", "vanilla", "confectioners sugar", "cream"]