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Mock-turtle Soup

A soup made from calf's head, veal knuckle, force‑meat balls, potatoes, lemon juice, egg yolks, wine, and seasonings.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 14 ingredients
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Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Mock-turtle Soup

Ingredients

Directions

Prepare

  1. Divide the calf's head into upper and lower parts and prepare the knuckle of veal for force-meat balls.

Make the soup

  1. Place the calf's head and knuckle of veal in a pot with 1 gallon of water and boil until tender.

  2. Skim the surface carefully and season with pepper, coarse sea salt, mace, sweet herbs, curry powder, or cloves.

  3. Add the sliced potatoes and the juice of 2 lemons.

  4. Incorporate the yolks of 6 hard-boiled eggs just before finishing.

  5. Stir in ½ pint of white wine and add half of the force-meat balls.

Finish and serve

  1. Fry the remaining force-meat balls and serve them in the soup.

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 + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Pepper + clovetop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  3. Mace + clovetop 6% of all pairs
    Smell alikelow
    Cooked together8,400 recipes

    Shared aroma: methyleugenol (clove, spice).

  4. Pepper + potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  5. Clove + lemontop 10% of all pairs
    Smell alikestrong
    Cooked together8,150 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

What each ingredient does

Calf's head
Provides gelatin and body, giving the soup a rich, thick texture as it simmers.
Knuckle of veal
Adds gelatin and meaty flavour to the stock during long, gentle boiling.
Hard-boiled egg yolks
Thicken the soup slightly and add a rich, creamy mouthfeel.
Lemon juice
Adds acidity that brightens the flavour and balances the rich broth.
White wine
Adds acidity and aromatic depth to the finished soup.

The step that matters

Skim the surface carefully. Boiling releases foam and fat that cloud the broth and can taste greasy. Skimming while the head simmers keeps the soup clear and clean-flavoured before the other ingredients are added.

Swap the mace

How well each one fits the dish's main ingredients (veal, pepper, clove, potato, lemon, egg, white wine):

  1. Parsleyfits better
  2. Marjoramfits better
  3. Thymefits better
  4. Macethe original

Fit is the average pairing score against veal, pepper, clove, potato, lemon, egg, white wine. 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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