Lobster Bisque

Quick answer

Total time: 90 min
Level: Hard
Servings: 4 servings
Ingredients: 10

About this dish

Lobster bisque serves as a foundational dish within the French culinary tradition, specifically categorized as a smooth cream soup based on crustacean shells.

The preparation begins by roasting the lobster shells in butter until they reach a dark, saturated color, a step that develops the base flavors of the dish. This is followed by a flambe process using cognac, which serves to eliminate any lingering bitterness from the shells while introducing a layer of smoky depth to the mixture. Once the shells are prepared, they are placed in a pot with fish stock, whole tomatoes, and a selection of aromatic vegetables to simmer for a minimum of thirty minutes. This extended simmering time allows for the maximum extraction of flavor from the lobster shells into the surrounding liquid. After the simmering process is complete, the mixture is passed through a fine sieve to remove all solid fragments and ensure a uniform consistency. The resulting broth is then combined with heavy cream, which provides a thick and velvety texture that characterizes the final soup. Fresh tarragon is incorporated to provide an herbal element that balances the concentrated richness of the cream and seafood. The lobster meat, which was set aside earlier in the process, is stirred into the hot liquid at the final stage of preparation to ensure that its texture remains tender and does not become tough. The final result is a soup that features a concentrated essence of the ocean and represents one of the most technical and polished preparations found in French cooking.

Ingredients

servings

IngredientAmountUnit

Lobster2 wholewhole

Onion1 piecepiece

Carrot1 piecepiece

Celery2 stalkstalk

Cognac (or brandy)50 mlml

Whole peeled tomatoes200 gg

Heavy cream300 mlml

Fish stock800 mlml

Fresh tarragon5 gg

Butter3 tbsptbsp

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Instructions

Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.

6 steps

1

Heat

Cook the 2 lobsters just until the meat releases from the shell.

Remove the meat, cut it into bite-size pieces, and keep it aside so it does not toughen while the shell stock is made.
2

Control

Finely chop the onion, carrot, and 2 celery stalks.

Melt 3 tablespoons butter in a heavy pot over medium heat, then cook the vegetables for about 5 minutes until glossy and lightly softened, without browning them hard.
3

Heat

Add the lobster shells and raise the heat to medium-high.

Cook for about 8 minutes, stirring often, until the shells darken and brown flavor builds on the bottom of the pot without turning black.
4

Step

Lower the heat briefly and pour in 50 ml cognac, standing back as it flames or steams.

When the sharp alcohol smell fades, add 200 g whole tomatoes and 800 ml fish stock, scraping the browned base clean.
5

Control

When the liquid comes to a boil, reduce to low and simmer for at least 30 minutes.

Skim foam as needed, press the shells to extract flavor, then strain through a fine sieve for a smooth broth.
6

Control

Return the strained broth to the pot, add 300 ml heavy cream, and warm over low heat without boiling.

Once smooth and slightly thickened, fold in the lobster meat and 5 g tarragon just before serving.

Practical Cooking Checks

The cues that matter most while cooking.

Key technique: Lobster Bisque relies on roasted crustacean shells and cognac flambe for its deep, smooth base.
Finish cue: Once smooth and slightly thickened, fold in the lobster meat and 5 g tarragon just before serving.
Avoid this: The lobster meat, which was set aside earlier in the process, is stirred into the hot liquid at the final stage of preparation to ensure that its texture remains tender and does not become tough.