United States • Regional Dish • Main Course

Cajun Seafood Gumbo with Dark Roux

A deep Louisiana gumbo built on a dark roux, layered with Cajun trinity and finished with tender shrimp and crab.

Servings6

Prep Time25 min

Cook Time70 min

DifficultyAdvanced

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Ingredients

US Metric

1/2 cup neutral oil (canola or grapeseed)

1 cup all-purpose flour

7 oz yellow onion, diced

5 oz celery, diced

5 oz green bell pepper, diced

2 tbsp garlic, minced

7 oz okra, sliced (fresh or frozen)

6 cups seafood stock or low-sodium chicken stock, warmed

7 oz andouille or smoked sausage, sliced (optional but traditional in many versions)

1 tbsp paprika

1/2 tsp dried thyme

1/2 tsp dried oregano

1/4 tsp cayenne (adjust to taste)

1/2 tsp kosher salt (plus more if needed)

1/2 tsp black pepper

2 bay leaves

1 tbsp Worcestershire sauce

2 tsp hot sauce (optional)

1 lb raw shrimp, peeled and deveined

7 oz lump crab meat

1 tsp filé powder (optional; add off heat)

1 oz scallions, sliced

1 tbsp parsley, chopped

2 lb cooked rice, for serving

120 ml neutral oil (canola or grapeseed)

120 g all-purpose flour

200 g yellow onion, diced

150 g celery, diced

150 g green bell pepper, diced

10 g garlic, minced

200 g okra, sliced (fresh or frozen)

1.5 L seafood stock or low-sodium chicken stock, warmed

200 g andouille or smoked sausage, sliced (optional but traditional in many versions)

12 g paprika

2 g dried thyme

2 g dried oregano

1 g cayenne (adjust to taste)

3 g kosher salt (plus more if needed)

2 g black pepper

2 bay leaves

15 ml Worcestershire sauce

10 ml hot sauce (optional)

450 g raw shrimp, peeled and deveined

200 g lump crab meat

5 g filé powder (optional; add off heat)

30 g scallions, sliced

15 g parsley, chopped

900 g cooked rice, for serving

Instructions

Make the roux: Heat a heavy pot over medium heat. Add oil, then whisk in flour until smooth. Cook 30–45 minutes, whisking often, until the roux turns the color of dark chocolate. Lower heat if it smokes or smells sharp; a scorched roux ruins the pot.
Cook the trinity: Stir in onion, celery, and bell pepper. Cook 6–8 minutes until softened. Add garlic and cook 1 minute.
Add okra and sausage: Stir in okra (and sausage, if using). Cook 5 minutes to reduce “slickness” from okra and build flavor.
Build the stew: Stir in paprika, thyme, oregano, cayenne, salt, and pepper. Add bay leaves.
Add stock gradually: Pour in warm stock a little at a time, whisking as you go to keep it smooth. Once all stock is in, bring to a gentle simmer.
Simmer and thicken: Simmer uncovered 30–40 minutes, stirring occasionally, until glossy and lightly thickened. Skim excess oil if it pools. Stir in Worcestershire and hot sauce. Taste and adjust salt and heat.
Add seafood at the end: Stir in shrimp and cook 3–5 minutes until just opaque. Fold in crab and warm 1–2 minutes. Turn off heat.
Finish: If using filé powder, sprinkle it in off heat and stir gently. Garnish with scallions and parsley. Serve over rice.

Cultural Context

Seafood gumbo with dark roux carries southern Louisiana in one pot, especially New Orleans and the bayous. The dish blends West African, French, Spanish and Choctaw influences, with even the word “gumbo” tracing to a West African word for okra. The roux does the heavy lifting. Flour and fat cook slowly until deep brown, creating that toasted, nutty base that gives the stew its backbone. Shrimp, crab and oysters join depending on the season, while rice goes in the bowl, not the pot. It’s history, coastline and kitchen patience together. Academic on paper, pure Cajun when the spoon hits.

Fun Fact

There is a scientific “catch-22” when using a dark roux for seafood gumbo. As you cook a roux longer to achieve a deep, chocolate-brown color, the flour loses its ability to thicken the liquid. This means a dark roux gumbo is valued more for its intense, smoky, and nutty flavor than for its body, often resulting in a thinner, more soup-like consistency compared to gumbos made with lighter rouxs.

Cook’s Tip

Gumbo thickening varies by tradition: some rely on roux only; others use okra, filé, or both. Use one main thickener (roux) and treat okra/filé as optional support.
Avoid adding seafood early; shrimp and crab turn tough and dry.
Some versions include tomatoes; many Cajun-style gumbos skip them. Keep it tomato-free here to let the dark roux lead.

Trivia

Dark roux — the deep brown base of many Louisiana gumbos — is sometimes jokingly called “Cajun napalm.” The oil and flour mixture cooks at very high heat and must be stirred constantly, as splattering roux can cause serious burns.

About This Recipe

Seafood gumbo with dark roux stands at the heart of Cajun cooking. It begins with patience. Oil and flour transform slowly into a deep brown roux that carries toasted, nutty depth. The Cajun trinity — onion, celery and bell pepper — builds the aromatic base. Okra adds body. Seafood stock enriches the broth.
Shrimp and crab go in at the very end to stay tender and sweet. The result is glossy, layered and deeply savory. Served over rice, this gumbo delivers warmth, texture and balanced heat without unnecessary complexity.

A fresh serving of global recipes, food stories, quizzes and delicious discoveries.

Cajun Seafood Gumbo with Dark Roux

Instructions

Cultural Context

Fun Fact

Cook’s Tip

Trivia

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