Ragin' Cajun's famous Roux is as close as you'll get to make your own, without burning the first batch. It's famous because our customers say so and we're glad you've decided to join us. Roux is the essential ingredient to making a rich gumbo and can also be used to flavor stews and gravies. Easy to Use. Hand-crafted in Broussard, Louisiana. Product Usage Instructions: Dissolve desired amount of roux in water until throughly mixed and there are no clumps. Needs no refrigeration.