Oppdal Lefse This page first published: Nov 28, 2005 · Updated: May 6, 2018 · by CooksInfo. Copyright © 2021 · This post may contain affiliate links · This blog generates income via ads · This version of lefse is made with boiled potatoes mashed with milk, and mixed with rye flour and white wheat flour, and a dash of sugar and salt. It is then cooked as per Lefse. Language Notes In Norwegian, called “Oppdalslefser”.