The curvy Cookpot, loaded with spring vegetables. My introduction to Alain Ducasse's new signature dish, the "Cookpot," came over dinner while I was seated next to the famed chef himself. It really goes without saying, that sure beat the hell out of learning about it from a press release. During a media dinner last week at Adour , Ducasse's restaurant in the St. Regis, I had the pleasure of dusting off my rusty French (and probably butchering more sentences than I care to admit) and chatting with the world-renowned chef about the Cookpot, his new signature cooking vessel. Also a pleasure? Digging into the tender spring morels, ramps, asparagus and peas cradled by the curved white porcelain creation. That dish is the local DC version of the spring vegetable Cookpot that each of Ducasse's restaurants around the world are featuring. "When I was a child, we ate vegetables because they grew there, in a corner of my grandparents’ farm, on a bit of land that I some...