From The Core of an Onion: Peeling the Rarest Common Food – Featuring More Than 100 Historical Recipes by Mark Kurlansky, on sale November 7 from Bloomsbury Publishing. Copyright © Mark Kurlansky, 2023. All rights reserved. With the exception of a few specialties such as cipollinis, small flat onions from the Emilia-Romagna region of Italy, or local varieties from certain regions, most consumers in the world know little about what onion they are eating. They choose large or small; yellow, white, or red. But there is a tremendous variety of…