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Plain Calf's Head Soup

A soup made from a cleaned calf's head, knuckle of veal, onion, sweet herbs, water, salt, pepper, hard‑boiled eggs, lemon, and wine.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 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 ↓

Plain Calf's Head Soup

Ingredients

Directions

Make the stock

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

  2. Place the onion and sweet herbs in a cloth.

  3. Add the cloth with onion and herbs to the kettle.

  4. Pour in 4 quarts of water.

  5. Bring the mixture to a boil.

  6. Start boiling by 8 a.m. if serving at 1 p.m.

  7. Boil steadily.

  8. Season with salt and pepper.

Prepare the meat and eggs

  1. One hour before serving, strain the soup through a colander.

  2. Carefully pick out the meat.

  3. Chop the meat finely.

  4. Return the chopped meat to the soup.

  5. Boil the eggs until hard.

  6. Chop the boiled eggs finely.

  7. Set the chopped eggs aside.

Finish and serve

  1. Slice the lemon thinly.

  2. Add the sliced lemon to the soup just before serving.

  3. Stir in the glass of wine 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. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  3. Lemon + winetop 13% of all pairs
    Smell alikelow
    Cooked together6,157 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Veal + lemontop 17% of all pairs
    Smell alikelow
    Cooked together4,580 recipes

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

  5. Veal + oniontop 17% of all pairs
    Smell alikelow
    Cooked together6,841 recipes

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

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

What each ingredient does

Calf's head
Provides meat and gelatin that give the soup body and a rich texture.
Knuckle of veal
Adds collagen-rich bones that enrich the stock with body and savoury flavour.
Hard-boiled eggs
Add firm, chopped texture and mild richness to the finished soup.
Lemon
Adds acidity that brightens the rich broth.
Wine
Adds acidity and aroma to the finished soup.

The step that matters

Boil steadily and time the strain. Gentle, steady boiling extracts flavour and gelatin from the bones and head without clouding the stock, while straining about an hour before serving lets the soup settle and skim cleanly.

Swap the onion

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

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

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