Crab & Corn Bisque

Rich, velvety South Louisiana crab bisque with sweet corn, buttery blond roux, fresh Cajun Trinity, and generous chunks of tender crabmeat.

Yield: 8–10 hearty servings

Prep: 30 minutes

Cook: 1 hour 15–30 minutes

Total: Approximately 1 hour 45 minutes–2 hours

Ingredients

Fresh corn & seafood stock

6 ears fresh sweet corn (approximately 4 cups kernels), cobs reserved
7 cups good-quality seafood stock, preferably homemade shrimp or crab stock
2 bay leaves

If using frozen corn, substitute 4 cups thawed sweet corn and use 6 cups seafood stock.

Blond roux & Cajun vegetables

1 stick (½ cup) unsalted butter
½ cup all-purpose flour
1 tablespoon additional butter, for browning the corn
2 cups Cajun Trinity:
- 1 cup finely chopped yellow onion
- ½ cup finely chopped green bell pepper
- ½ cup finely chopped celery
4 cloves garlic, minced

Seasonings & flavor

1 tablespoon Luquette’s Cajun seasoning, divided, plus more to taste
1 teaspoon fresh thyme leaves (or ½ teaspoon dried thyme)
¼ teaspoon ground white pepper
1 teaspoon Worcestershire sauce
2 tablespoons dry sherry (recommended, but optional)
1–2 teaspoons fresh lemon juice, to taste
Louisiana-style hot sauce, to taste
Salt, only if needed

Cream, crab & finishing ingredients

1½ cups heavy whipping cream
1½ cups half-and-half
1 lb jumbo lump crabmeat, carefully picked over for shells
½ lb Louisiana claw crabmeat or backfin crabmeat, picked over for shells
1 cup thinly sliced green onions, divided
2 tablespoons finely chopped fresh parsley

Directions

Prepare the fresh corn

Remove the husks and silk from the corn.

Stand each ear upright in a large bowl and carefully slice the kernels from the cob.

Once the kernels are removed, use the back of your knife to scrape the cobs, collecting the sweet, milky liquid. This adds natural sweetness and contributes to the bisque’s creamy texture.

Keep the corn milk with the kernels.

Reserve the stripped cobs for the seafood stock.

Set aside approximately 1 cup of corn kernels for browning in the next step.
Make the corn-cob seafood stock

Break the reserved corn cobs in half and place them in a large saucepan.

Add:
- 7 cups seafood stock
- 2 bay leaves
Bring to a gentle boil, reduce heat to low, cover, and simmer for approximately 30 minutes.

Strain out the cobs, reserving the bay leaves.

Measure out 6 cups of the finished stock. If necessary, add a little additional seafood stock to reach 6 cups.

Keep the stock warm.

Why this matters: The corn cobs contribute natural sweetness to the seafood stock, creating another layer of corn flavor without adding sugar.
Lightly brown some of the corn

In a skillet over medium-high heat, melt 1 tablespoon butter.

Add the reserved 1 cup corn kernels in an even layer.

Cook for approximately 4–6 minutes, stirring occasionally, until some of the kernels develop a light golden-brown color.

Do not burn or heavily char them.

Remove from heat and set aside.

This small addition creates a deeper, lightly toasted corn flavor that complements the sweet crab.
Make the buttery blond roux

In a large, heavy-bottomed Dutch oven, melt 1 stick of unsalted butter over medium heat.

Gradually whisk in ½ cup all-purpose flour.

Cook, stirring constantly, for approximately 5–7 minutes until the roux becomes a pale golden color, similar to light peanut butter.

It should smell buttery and slightly nutty.

Do not make a dark roux. For this bisque, we want gentle toasted flavor and thickening power without overpowering the crab and corn.
Cook the Cajun Trinity

Add the chopped onion, bell pepper, and celery directly to the blond roux.

Cook for approximately 6–8 minutes, stirring frequently, until the vegetables soften and become fragrant.

Add the minced garlic and cook another 45–60 seconds.

Stir in:
- 2 cups of the unbrowned corn kernels
- 2 teaspoons Luquette’s Cajun seasoning
- 1 teaspoon fresh thyme
Cook approximately 3–4 minutes, stirring occasionally.

Add the dry sherry, if using, and cook another 1–2 minutes to reduce it slightly.

The vegetables, garlic, roux, and corn should smell rich and aromatic.
Add the homemade seafood stock

Slowly whisk the 6 cups of warm seafood stock into the roux mixture, adding approximately 1 cup at a time.

Whisk thoroughly between additions to prevent lumps.

Return the bay leaves to the pot.

Bring to a gentle simmer and cook uncovered for approximately 20 minutes, stirring occasionally.

The mixture should begin thickening while the vegetables soften completely.

Avoid a hard boil.
Create that silky bisque texture

Remove and discard the bay leaves.

Using an immersion blender, carefully purée part of the bisque directly in the pot.

Alternatively, transfer approximately 2–3 cups of the mixture to a countertop blender, purée until smooth, and return it to the pot.

If using a countertop blender, work in small batches and vent the lid safely to release steam.

The goal is not a completely smooth soup.

You want a velvety base with enough texture left to appreciate the corn, vegetables, and crabmeat.

The puréed corn naturally thickens the bisque and deepens its corn flavor.
Add the cream and remaining corn

Reduce the heat to low.

Stir in:
- 1½ cups heavy cream
- 1½ cups half-and-half
- Remaining uncooked corn kernels and corn milk
- Reserved lightly browned corn
- 1 teaspoon Worcestershire sauce
- ¼ teaspoon white pepper
Stir gently until fully combined.

Cook over low heat for approximately 10–15 minutes, stirring frequently, until the corn is tender and the bisque develops a rich, creamy consistency.

Keep the liquid at a very gentle simmer.

Never allow the bisque to reach a rolling boil after adding the dairy.
Build the crab flavor

Add the ½ lb claw or backfin crabmeat.

Gently stir it into the hot bisque.

Allow it to warm through over low heat for approximately 3–4 minutes.

This distributes crab flavor throughout the soup rather than relying entirely on the large lumps added at the end.

Taste the broth and adjust the Cajun seasoning as needed.
Finish with jumbo lump crabmeat

Add the 1 lb jumbo lump crabmeat.

Using a large spoon or rubber spatula, gently fold the crab into the bisque.

Avoid vigorous stirring. You want those beautiful lumps to remain intact.

Continue heating gently until the crab is heated through.

Turn off the heat.

Stir in:
- ½ cup sliced green onions
- 2 tablespoons fresh parsley
- 1 teaspoon fresh lemon juice
- A few dashes Louisiana hot sauce, to taste
Taste again.

If necessary, add some or all of the remaining 1 teaspoon Luquette’s Cajun seasoning.

Add additional lemon juice a few drops at a time, up to approximately 2 teaspoons total, if the richness needs balancing.

Allow the bisque to rest for approximately 5 minutes before serving.
Serve

Ladle the finished bisque into warm bowls.

Garnish with the remaining sliced green onions and, if desired, a few reserved pieces of jumbo lump crabmeat.

Serve with fresh, hot French bread or your Seafood Grilled Cheese.

Luquette Kitchen Notes

The crab matters. Fresh Louisiana blue crabmeat is ideal. Use claw meat to develop flavor throughout the soup and lump meat for the beautiful, tender bites. If you prefer to use only jumbo lump crabmeat, you can use 1½ lb total and add it all near the end.
Do not overdo the seasoning. Luquette’s Cajun seasoning should complement the natural sweetness of the crab and corn, not cover it up. Seafood stock can already contain salt, so season in stages.
Choose a good stock. Homemade shrimp stock made with shrimp heads and shells gives the bisque an excellent seafood foundation. A quality crab stock is equally good. Avoid strongly seasoned stocks that might overwhelm the delicate crabmeat.
Watch the thickness. This bisque will thicken as it sits, especially after refrigeration. If it becomes too thick, stir in a splash of warm seafood stock or half-and-half until it reaches your preferred consistency.
Refrigerate and reheat carefully. Refrigerate promptly in shallow containers for up to 3 days. Reheat gently, stirring frequently, without boiling. For a cooked leftover seafood bisque, bring it to 165°F when reheating. Freezing is not recommended because the cream-based texture can separate.

From the Luquette Kitchen

Corn and crab is one of those combinations South Louisiana just gets right. Sweet summer corn, a buttery blond roux, the Trinity, and plenty of lump crabmeat come together in a bisque rich enough for a holiday table and comforting enough for a rainy Sunday. We like ours with hot French bread, a sprinkle of green onions, and a little extra Luquette’s Cajun seasoning at the table.