Chef Marvin Matherne has made over a million shrimp po-boys at Guy’s Po-Boys in New Orleans, and today he joins Bon Appétit to show you how to make this iconic sandwich. From Gulf shrimp and corn flour batter to one-day French bread and the traditional “dress” of lettuce, tomato, pickle, and Blue Plate mayo, this is how an authentic New Orleans po-boy sandwich is really made.
