In a mixing bowl, combine the potatoes, parmesan cheese, egg, and ¼ cup of breadcrumbs. Mix thoroughly. The mixture should be somewhat stiff and easy to form into patties. If it is still too “sticky” add some additional breadcrumbs.

Form the mixture into 6 equal sized patties, about ¾” thick.

Place the remaining breadcrumbs on a plate or shallow bowl. Coat each side of the mashed potato patties with the breadcrumbs, patting them in slightly.

In a large nonstick skillet, add enough olive oil to generously coat the bottom. Heat on medium-high until the oil shimmers.

Add the patties to the hot oil. Be careful -- the oil may spatter! Cook the patties 3-4 minutes per side, until golden brown and heated through.

Remove the patties from the pan and season with salt and pepper to taste.