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Boiled Cod with Oyster Sauce

A boiled cod served with a sauce made from oyster liquor, butter, flour, and seasonings.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Pepper and nutmeg match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 13,015 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Boiled Cod with Oyster Sauce

Ingredients

Directions

Prepare the cod

  1. Soak the cod in cold water with 1 tablespoon of salt for at least 1 hour.

  2. In a large pot, bring 3 quarts of cold water with 2 tablespoons of salt to a boil.

  3. Add the soaked cod and boil until done, then remove from heat and let it sit in the water.

Make the oyster sauce

  1. In another pot, boil the oysters in their own liquor until they are cooked, then drain them.

  2. Return the oyster liquor to the heat and in a separate saucepan, melt the butter and flour together until bubbling.

  3. Gradually whisk in the boiling oyster liquor until the sauce is smooth.

  4. Season the sauce with ½ teaspoon salt, ⅛ teaspoon black pepper, and ⅛ teaspoon nutmeg, then add the oysters.

Serve

  1. Serve the cod on a napkin with the oyster sauce on the side.

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. Pepper + nutmegtop 7% of all pairs
    Smell alikestrong
    Cooked together13,015 recipes

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

  2. Flour + nutmegtop 8% of all pairs
    Smell alikemoderate
    Cooked together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

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

  5. Oyster + saucetop 14% of all pairs
    Smell alikemoderate
    Cooked together2,233 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

Cod
Forms the main flesh of the dish, flaking into tender pieces when cooked gently in salted water.
Oysters
Provide the briny, savoury flavour of the sauce and tender bites within it.
Butter
Adds richness and carries flavour, forming the base of the roux.
Flour
Thickens the sauce by swelling with the hot liquor once blended with butter.

The step that matters

Gradually whisking the liquor into the roux. Adding hot liquid slowly while whisking keeps the flour dispersed so the sauce stays smooth instead of lumpy.

Swap the nutmeg

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

  1. Capersfits better
  2. Parsleyfits about as well
  3. Nutmegthe original
  4. Tarragonfits about as well

Fit is the average pairing score against oyster, butter, flour, sauce, 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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