Roll out the potato candy to a 12-by-10-inch rectangle (about ¼-inch thick), dusting the top with powdered sugar if it becomes sticky. Spread the peanut butter in an even layer over the potato candy.

‘let's use a jar of readily available peanut butter’. It was amazing.” “The 1933 potato candy is an old American Midwestern candy where you mash up a potato then add what must have been a ...