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Calf's Head Soup

A hearty soup made from calf's head, veal knuckle, herbs, onion, and finished with eggs and lemon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Marjoram and basil match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 688 recipes. Both carry terpineol, which smells pine, woody. The science ↓

Calf's Head Soup

Ingredients

Directions

The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare the broth

  1. Combine the calf's head and knuckle of veal in a large porcelain vessel.

  2. Place the marjoram, basil, and chopped onion in a clean cloth, then add the cloth with herbs and onion to the vessel.

  3. Pour in 4 quarts of water.

  4. Bring the mixture to a slow boil.

  5. Season with salt and pepper.

  6. Simmer for about 4 hours.

  7. Strain the soup.

Finish and serve

  1. Pick out all the meat from the soup and chop it finely.

  2. Return the chopped meat to the soup and heat the soup again.

  3. Just before serving, add the chopped hard-boiled eggs and thinly sliced lemon.

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. Marjoram + basiltop 1% of all pairs
    Smell alikestrong
    Cooked together688 recipes

    Shared aroma: terpineol (pine, woody).

  2. Marjoram + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together957 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  3. Basil + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together1,823 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

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

  5. Marjoram + peppertop 3% of all pairs
    Smell alikestrong
    Cooked together2,609 recipes

    Shared aroma: estragole (anise, licorice).

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

What each ingredient does

Calf's head
Gives the soup its body and rich flavor as it simmers for hours.
Knuckle of veal
Adds gelatin and savory depth to the broth as it cooks down.
Onion
Contributes aromatic sweetness and savory flavor to the broth.
Hard-boiled eggs
Add richness and a soft, creamy texture to the finished soup.

The step that matters

Bringing the mixture to a slow boil. Boiling hard makes the broth cloudy and can toughen the meat. A gentle simmer keeps the liquid clear and the meat tender over the long cook.

Swap the onion

How well each one fits the dish's main ingredients (veal, marjoram, basil, pepper, egg, lemon):

  1. Capsicumfits better
  2. Carrotfits better
  3. Spinachfits better
  4. Onionthe original

Fit is the average pairing score against veal, marjoram, basil, pepper, egg, lemon. 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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