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Oyster Soup

A savory soup made with oysters, whiting, stock, herbs, and a roux enriched with egg yolks and cream.

From an old cookbook · modernised transcription
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Why it works: Whiting and sauce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 236 recipes mention both. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Oyster Soup

Ingredients

Directions

Prepare the oysters and stock

  1. Put the oysters into a small saucepan with their liquid and bring to a boil.

  2. Remove the gills and gristle, then cut the oysters into quarters and set aside.

  3. Cut the whiting and add it to the stock along with the oyster gills, anchovy, carrot, celery, thyme, mace, and peppercorns in a saucepan.

  4. Simmer gently for one hour, then strain the mixture.

Make the soup

  1. Melt the butter in a saucepan, stir in the flour until smooth, then add the strained fish stock and stir until it boils.

  2. Cook for three minutes.

  3. Beat the egg yolks and mix them with the cream, then add to the soup.

  4. Season with lemon juice, cayenne, and coarse sea salt to taste.

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. Whiting + saucetop 1% of all pairs
    Aroma overlapstrong
    Mentioned together236 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  2. Thyme + parsleytop 1% of all pairs
    Aroma overlapstrong
    Mentioned together9,057 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

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

    Shared aroma: 2,4-decadienal (seaweed).

  4. Carrot + celerytop 1% of all pairs
    Aroma overlapstrong
    Mentioned together10,173 recipes

    Shared aroma: myristicin (spice, warm).

  5. Celery + parsleytop 1% of all pairs
    Aroma overlapstrong
    Mentioned together6,810 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

Oysters
Provide the main flavor and tender texture of the soup.
Butter
Enriches the soup and carries flavor when melted with the flour.
Flour
Thickens the stock into a smooth base when cooked with the butter.
Egg yolks
Thicken and enrich the soup, giving it a smooth, velvety body.
Cream
Adds richness and a smooth, silky mouthfeel to the finished soup.

The step that matters

Adding the egg yolk and cream. Egg yolks thicken when heated, so if the soup is boiling when they go in, they can scramble and turn grainy. Mix them with the cream and add them off the heat or over very low heat, stirring constantly.

Flavor stand-ins for the thyme

How well each one fits the dish's main ingredients (whiting, sauce, oyster, anchovy, carrot, celery, parsley):

  1. Capersbetter flavor fit
  2. Thymethe original
  3. Tarragonabout as good a flavor fit
  4. Marjoramabout as good a flavor fit

Fit is the average pairing score against whiting, sauce, oyster, anchovy, carrot, celery, parsley. 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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