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Mock Turtle Soup

A soup made from calf's head, beef, Madeira, cayenne, lemon, salt, and egg balls.

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 ↓

Mock Turtle Soup

Ingredients

Directions

Make the stock

  1. In a large pot, bring 2 quarts of cold water to a boil.

  2. Skim the water and gently boil the calf's head until tender.

  3. Remove the head and let it cool.

  4. Strain the stock through a sieve, remove grease, and clarify with scraped beef.

Finish the soup

  1. Cut the calf's head into 1-inch pieces and add to the stock with Madeira, cayenne, lemon juice, and salt.

  2. For egg balls, pound hard boiled eggs and yolks, rub through a sieve, dust with flour, and roll into marble-sized balls.

  3. Poach the egg balls carefully and add to the soup 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. Beef + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 recipes

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

  3. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

Egg and flour barely smell alike, yet cooks put them together in 106,462 recipes: they work on texture and structure more than aroma.

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.
Beef
Adds meaty flavor, and its scraps clarify the stock by trapping impurities.
Hard boiled eggs
Provide the bulk and firm, mild texture of the egg balls.
Egg yolks
Add richness and help bind the egg balls together.
Lemon juice
Adds acidity that brightens the soup and balances its richness.

The step that matters

Poach the egg balls carefully. The egg balls are delicate and can crumble or toughen if the liquid boils hard. Gentle heat keeps them intact and tender.

Swap the lemon

How well each one fits the dish's main ingredients (beef, pepper, egg, flour):

  1. Lemonthe original
  2. Raisinfits about as well
  3. Limefits less well
  4. Avocadofits less well

Fit is the average pairing score against beef, pepper, egg, flour. 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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