What sauce accompanies the catfish dish?

The catfish dish at Texas Roadhouse is traditionally accompanied by Creole mustard sauce. This particular sauce complements the flavor of the catfish, enhancing the dish with a tangy and slightly spicy kick that works well with the mild taste of the fish. It is designed to elevate the overall dining experience by adding depth to the dish.

The other sauces provided as choices might be suitable for different menu items, but they do not align with the authentic pairing meant for catfish. Tartar sauce, for example, is often linked with fried seafood dishes but is not the specific accompaniment for catfish at Texas Roadhouse, while ranch dressing is generally used for salads and other appetizers. Cocktail sauce is typically served with shellfish, making it an unsuitable choice for catfish. Hence, Creole mustard sauce stands out as the correct and appropriate choice for this dish.