Potato Donuts are easy to make and even easier to eat! Adding potatoes to the dough makes them moist on the inside and crunchy on the outside. https://www.afamilyfeast.com/potato-donuts/. May 22, 2021 - Potato Donuts are easy to make and even easier to eat! Adding potatoes to the dough makes them moist on the inside and crunchy on the outside.