A potatoe knish.
knish definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a piece of thin rolled dough folded over a filling, as of mashed potatoes or chopped meat, and baked
Origin: eastern; English Yiddish, variously ; from Polish knysz and amp; Ukrainian knyš, and the like
knish definition by American Heritage Dictionary
A piece of dough stuffed with potato, meat, or cheese and baked or fried.
Origin: Yiddish, from Ukrainian knysh, probably of Turkic origin.