Alexandre Etienne Choron (1772–1834), a French musicologist and pedagogue born at Caen, may not have anything to do with this tomato-tinged variation of béarnaise sauce. But if you have a better candidate for its eponym, I would like to hear about him (or her). Meanwhile, I prefer to imagine that Choron circulated in the gastronomically zesty Paris of his mature years, the heyday of Carême, the superchef; Talleyrand, host of hosts; and Brillat-Savarin, the philosopher of th