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Potage a LA Bisque

A creamy crayfish soup made with crayfish, butter, vegetables, wine, stock, lobster spawn, anchovies, and fried bread crusts.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 17 ingredients
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Why it works: Carrot and celery match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 10,172 recipes mention both. Both carry myristicin, which smells spice, warm. The science ↓

The recipe

Ingredients

Contains: milk, wheat, fish, shellfish (auto-detected from the ingredients and method; we can miss things, so check labels)

Also mentioned in the method: bread

Directions

Prepare the crayfish

  1. Wash the crayfish in several waters and remove the black portion (gall gut).

Make the broth

  1. In a pan, brown the crayfish with butter, carrot, onion, celery, parsley, bay leaf, thyme, salt, black pepper, and cayenne pepper for 5 minutes.

  2. Add the white wine and fish stock, then simmer gently for 30 minutes.

  3. Remove the crayfish and strain the broth through a tammy, pressing to extract the essence of the vegetables.

Finish and serve

  1. Remove the flesh from the crayfish claws and tails, reserving half for garnish.

  2. In a mortar, combine the remaining crayfish flesh, butter, lobster spawn, anchovies, and fried bread crusts; pound thoroughly.

  3. Add the paste to the strained broth and mix well, then heat for a few minutes.

  4. Place the reserved crayfish pieces in a tureen and pour the soup over them. Serve hot.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.

  1. Carrot + celerytop 1% of all pairs
    Aroma overlapstrong
    Mentioned together10,172 recipes

    Shared aroma: myristicin (spice, warm).

  2. Carrot + parsleytop 1% of all pairs
    Aroma overlapstrong
    Mentioned together8,053 recipes

    Shared aroma: myristicin (spice, warm).

  3. Parsley + thymetop 1% of all pairs
    Aroma overlapstrong
    Mentioned together9,057 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

  4. Celery + parsleytop 2% of all pairs
    Aroma overlapstrong
    Mentioned together6,805 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  5. Parsley + peppertop 2% of all pairs
    Aroma overlapstrong
    Mentioned together34,118 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Crayfish
Provides the main shellfish flavor and tender meat for the bisque and garnish.
Butter
Carries flavor and adds richness, giving the bisque a smooth, velvety body.
Lobster spawn
Adds concentrated shellfish flavor and a rich color to the thickened paste.
Anchovies
Adds savory depth, rounding out the seafood flavor without tasting fishy.
French roll crusts
Fried bread that, pounded into the paste, helps thicken and give body to the soup.

The step that matters

Pounding the paste and adding it to the broth. The crayfish, butter, spawn, anchovies and fried crusts must be pounded thoroughly into a smooth paste so it blends evenly. Heating gently after adding it helps it thicken the broth without lumps or curdling the butter.

Flavor stand-ins for the onion

How well each one fits the dish's main ingredients (crayfish, butter, carrot, celery, parsley, thyme, pepper):

  1. Potatobetter flavor fit
  2. Tomatobetter flavor fit
  3. Capsicumbetter flavor fit
  4. Onionthe original

Fit is the average pairing score against crayfish, butter, carrot, celery, parsley, thyme, pepper. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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