Secura Potatoes This page first published: Apr 9, 2005 · Updated: May 12, 2018 · by CooksInfo. Copyright © 2020 · This post may contain affiliate links · This blog generates income via ads · Secura are medium-sized, oval potatoes with smooth yellow skin and yellow flesh. These are waxy potatoes, but they are marketed as all-purpose for direct to consumer sales. High yields. Storage Hints Stores well. Doesn’t bruise easily.