2 tablespoons mashed potatoes
1 tablespoon butter
1 teaspoon milk
1/2 cup confectioners' sugar
1 cup peanut butter

Mix together potatoes, butter or margarine, and milk. Add enough confectioners' sugar to make a stiff dough. Roll out on a flat surface sprinkled with powdered sugar. Spread on a layer of peanut butter and roll up. Chill and slice.