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Oyster Soup

A savory soup made with veal stock, oysters, vegetables, and a creamy egg yolk mixture.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 14 ingredients
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Why it works: Parsnip and turnip match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 590 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓

Oyster Soup

Ingredients

Directions

Make the stock

  1. Combine veal and water in a soup pot.

  2. Skim off foam as it approaches boiling.

  3. Add chopped celery, parsnip, turnip, onion, and mace.

  4. Boil for 3–4 hours, then strain.

Add the oysters and thicken

  1. In a small saucepan, bring oysters and their liquor to a boil.

  2. Strain the liquor into the soup pot.

  3. Remove the gills from the oysters and add them to the pot.

  4. Boil for a few more minutes.

  5. In a bowl, mix butter, flour, and milk.

  6. Gradually dilute with the stock and add to the pot.

  7. Boil for 10 minutes.

Finish and serve

  1. In another bowl, mix egg yolks and cream.

  2. Gradually add a ladleful of hot soup to the egg mixture, stirring constantly.

  3. Remove the pot from heat and stir in the egg mixture and halved oysters.

  4. Season with salt and pepper, then serve.

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. Parsnip + turniptop 1% of all pairs
    Aroma overlapstrong
    Mentioned together590 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Celery + turniptop 2% of all pairs
    Aroma overlapmoderate
    Mentioned together4,418 recipes

    Shared aroma: coumarin (sweet, hay).

  3. Celery + parsniptop 3% of all pairs
    Aroma overlapstrong
    Mentioned together561 recipes

    Shared aroma: myristicin (spice, warm).

  4. Turnip + oniontop 5% of all pairs
    Aroma overlapstrong
    Mentioned together7,585 recipes

    Shared aroma: coumarin (sweet, hay).

  5. Celery + oniontop 7% of all pairs
    Aroma overlapmoderate
    Mentioned together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Veal knuckle
Gives the stock its body and rich, savoury meat flavour.
Oysters
Provide the main briny, sea-flavoured character of the soup.
Butter
Adds richness and fat, carrying flavour through the soup.
Flour
Thickens the soup as it cooks, giving it a smooth, creamy body.
Egg yolks
Enrich and thicken the finished soup, adding silky texture and colour.
Cream
Adds richness and a smooth, velvety mouthfeel.

The step that matters

Adding the egg mixture. Egg yolks can curdle if they meet hot liquid directly. Adding a ladleful of hot soup to the yolks and cream first gently raises their temperature, so they blend in smoothly. The pot should be off the heat when the mixture is stirred in, and it should not boil again after that.

Flavor stand-ins for the mace

How well each one fits the dish's main ingredients (oyster, veal, butter, celery, parsnip, turnip, onion):

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

Fit is the average pairing score against oyster, veal, butter, celery, parsnip, turnip, onion. 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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