Straight from the roux bayou, a culinary memoir about how a centuries old Cajun and Creole secret―gumbo―has become one of the world's most beloved dishes. The product of a melting pot of culinary influences, gumbo reflects the diversity of the people who cooked it up: French aristocrats, West Africans in bondage, Cajun refugees, German settlers, Native Americans―all had a hand in the pot. What is it about gumbo that...