Moving to Minnesota a few years ago was the first time I encountered the Hotdish Divide. Its an invisible line separating North Dakota and Minnesota from the rest of the U.S. by virtue of culinary terminology. In my former existence well south of Albert Lea, casserole wasnt something I ever contemplated, much less conversed about. Working in the Twin Cities changed that.
In my first conversation, I was informed that its not Tuna Fish Casserole, rather its Tuna Fish Hotdish. So what exactly is H....

