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Oyster Soup

A soup made with skate, eels, oysters, egg yolks, mace, pepper, salt, butter, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and 124,287 recipes mention both. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Oyster Soup

Ingredients

Directions

Make the gravy

  1. Prepare a gravy by stewing skate and eels in water until reduced to half.

  2. Strain the gravy and set aside.

Make and serve the soup

  1. Remove gills from oysters and pound the horny part with the egg yolks, moistening with some gravy.

  2. In a pot, combine the stock with the soft part of the oysters and mace, and bring to a boil.

  3. Stir in the pounded mixture, season with pepper and salt, and boil until thickened.

  4. 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. Butter + flourtop 12% of all pairs
    Aroma overlaplow
    Mentioned together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Oyster + buttertop 12% of all pairs
    Aroma overlapmoderate
    Mentioned together8,184 recipes

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

  3. Oyster + eggtop 14% of all pairs
    Aroma overlapmoderate
    Mentioned together4,103 recipes

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

  4. Egg + flourtop 15% of all pairs
    Aroma overlaplow
    Mentioned together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Mace + peppertop 16% of all pairs
    Aroma overlaplow
    Mentioned together12,257 recipes

    Shared aroma: myristicin (spice, warm).

Butter and flour share little aroma chemistry, yet 124,287 recipes mention both: they likely 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

Egg yolks
Hard-boiled yolks, pounded smooth, help thicken the soup and give it a rich body.
Oysters
Provide the main flavor of the soup and its briny, savory character.
Skate
Stewed into the gravy to add savory fish flavor and body to the stock.
Eels
Stewed with the skate to enrich the gravy with fish flavor and body.

The step that matters

Boil until thickened after adding the pounded mixture. Hard-boiled yolks only thicken the soup when they are pounded smooth and fully incorporated. Boiling them gently in the liquid lets the soup thicken evenly without lumps, while boiling too hard can make it separate or taste harsh.

Flavor stand-ins for the mace

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

  1. Parsleybetter flavor fit
  2. Nutmegbetter flavor fit
  3. Capersbetter flavor fit
  4. Macethe original

Fit is the average pairing score against oyster, egg, pepper, butter, flour. 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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