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Simple Calves' Head Soup

A hearty soup made from a calf's head, veal knuckle, onion, turnip, herbs, spices, and lemon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 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 ↓

Simple Calves' Head Soup

Ingredients

Directions

Prepare

  1. Thoroughly clean the calf's head.

  2. In a saucepan, combine the calf's head, knuckle of veal, onion, turnip, sweet herbs, cloves, and mace.

  3. Pour in 2 quarts of water and boil slowly for 3 hours.

Strain and finish

  1. Remove the soup, strain the vegetables through a wire sieve, and pick out the meat.

  2. Chop the meat into small pieces and return it to the soup.

  3. Season with salt and pepper, then return to the heat.

  4. Simmer for another hour and add the sliced lemon just before serving.

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. Clove + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  3. Onion + turniptop 5% of all pairs
    Smell alikestrong
    Cooked together7,585 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Turnip + clovetop 6% of all pairs
    Smell alikestrong
    Cooked together2,233 recipes

    Shared aroma: coumarin (sweet, hay).

  5. Clove + macetop 6% of all pairs
    Smell alikelow
    Cooked together8,400 recipes

    Shared aroma: methyleugenol (clove, spice).

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, gelatinous texture as it cooks slowly.
Knuckle of veal
Adds collagen and meaty flavour that deepens the broth during long simmering.
Turnip
Contributes mild sweetness and aroma to the broth as it cooks.
Onion
Adds savoury depth and aroma to the broth as it simmers.
Lemon
Adds acidity that brightens the rich broth just before serving.

The step that matters

Boiling slowly for 3 hours. A gentle simmer draws gelatin and flavour out of the bones and head while keeping the broth clear. A hard rolling boil emulsifies fat into the liquid and makes it cloudy and greasy.

Swap the mace

How well each one fits the dish's main ingredients (veal, onion, turnip, clove, pepper, lemon):

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

Fit is the average pairing score against veal, onion, turnip, clove, pepper, 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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