"I made a few changes to traditional knish recipes, that I feel modernization this dish a little. Generally, russet potatoes are used for the filling, but I chose yukon gold, as I prefer their flavor and they mash up lighter than russets. I've also used significantly less oil. While researching recipes, some called for up to 1 cup of vegetable oil. I've brought it down to ¼ cup, plus what is used in the dough...."