it can make your gravy taste completely different. Dark roux, which is commonly associated with Cajun and Creole cuisine, is ...

Cajun food is fairly mainstream — and gumbo, jambalaya and bread pudding can be found on restaurant menus nationwide. But one dish – gravy – has remained something of a hidden gem of Louisiana.

Sullivan Zant, an executive chef in Louisiana and member of the "Gravy Boys," tells Fox News Digital about the "Cajun holy trinity" of food.