Dunbar Rover Potatoes This page first published: Apr 5, 2005 · Updated: May 18, 2018 · by CooksInfo. Copyright © 2021 · This post may contain affiliate links · This blog generates income via ads · Dunbar Rover Potatoes are oblong with buff skin and white flush. These are floury potatoes, with very good taste. History Notes Dunbar Rover Potatoes were developed by Charles Spence of Dunbar, Scotland in 1936.