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Soup

Oyster Bisque

A creamy oyster soup made with oysters, milk, butter, flour, egg yolks, mace, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Oyster Bisque

Ingredients

Directions

Prepare the oysters

  1. Clean and pick over the oysters, reserving the liquor.

  2. Chop the oysters slightly.

  3. Heat them slowly to boiling.

  4. Let the mixture simmer for 20 minutes.

  5. Strain the mixture through cheesecloth.

Finish the bisque

  1. Reheat the liquor.

  2. Thicken the liquor with butter and flour.

  3. Scald the milk with mace.

  4. Remove the mace.

  5. Add the milk to the oyster liquor.

  6. Add the egg yolks and cook slightly.

  7. Season with salt and pepper before serving.

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 their aromas overlap, and how often cooks already put them together.

  1. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Oyster + buttertop 12% of all pairs
    Smell alikemoderate
    Cooked together8,184 recipes

    Shared aroma: 2,6-nonadienal (cucumber, green).

  4. Oyster + eggtop 14% of all pairs
    Smell alikemoderate
    Cooked together4,103 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.

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

What each ingredient does

Oysters
Provide the main flavor and body of the bisque.
Milk
Adds liquid and creaminess to the soup.
Butter
Adds richness and fat, and helps build the thickened base with flour.
Flour
Thickens the oyster liquor as its starch swells in the hot liquid.
Egg yolks
Enrich and thicken the soup as their proteins set gently with heat.

The step that matters

Adding the egg yolks. Egg yolks can scramble if the soup boils after they go in. Cook gently and keep the heat low so they thicken the bisque smoothly.

Swap the mace

How well each one fits the dish's main ingredients (oyster, milk, butter, flour, egg, pepper):

  1. Nutmegfits better
  2. Parsleyfits better
  3. Cinnamonfits better
  4. Macethe original

Fit is the average pairing score against oyster, milk, butter, flour, egg, pepper. Candidates are from the same food group and used in at least 100 recipes.

“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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