Six-Onion Pizza This sweet and savory pizza, adapted from a recipe by Michael Leviton, chef and co-owner of Area Four in Cambridge, Massachussetts, showcases the flavor of six kinds of onion.

Six-Onion Pizza This sweet and savory pizza, adapted from a recipe by Michael Leviton, chef and co-owner of Area Four in Cambridge, Massachussetts, showcases the flavor of six kinds of onion.