No dish in New Orleans is more Creole than gumbo. And, appropriately enough for that Creole identity, there’s no single answer to just how it should taste and what can go into the pot. This has been on my mind because this weekend a veritable dream team of New Orleans Creole eateries will serve more than a dozen versions of gumbo at the Treme Creole Gumbo Festival (see full details below).