Valisa Potatoes This page first published: Feb 7, 2006 · Updated: Jun 1, 2018 · by CooksInfo. Copyright © 2020 · This post may contain affiliate links · This blog generates income via ads · Valisa are oval, medium to large-sized potatoes with yellow skin and flesh. They are aimed at the fresh market and for processing into dried potato products. They don’t bruise easily. Early harvest.