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Mock Turtle Soup of Calf’s Head

A hearty soup made from a calf's head, ham hock, onions, herbs, wine, mushroom ketchup, and a butter‑flour roux.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 14 ingredients
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Why it works: Thyme and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,057 recipes. Both carry cuminaldehyde, which smells Spicy, cumin. The science ↓

Mock Turtle Soup of Calf’s Head

Ingredients

Directions

Prepare the broth

  1. Place the cleaned calf's head in a large pot with 1 gallon of water, the hock of ham or pork, and the chopped onions.

  2. Add thyme, parsley, cloves, nutmeg, black pepper, and coarse sea salt.

  3. Boil until the flesh is tender.

  4. Remove the head and cut the meat into small pieces.

  5. Carefully remove the eyes and strain the broth.

Finish the soup

  1. Add 1/2 pint of wine and 2 tablespoons of mushroom ketchup to the strained broth.

  2. Simmer until reduced to 2 quarts.

  3. In a separate bowl, mix 4 ounces of butter with 2 tablespoons of browned flour until smooth.

  4. Stir the butter mixture into the soup and add the meat.

  5. Simmer briefly 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. Thyme + parsleytop 1% of all pairs
    Smell alikestrong
    Cooked together9,057 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

  2. Clove + nutmegtop 1% of all pairs
    Smell alikestrong
    Cooked together8,686 recipes

    Shared aroma: estragole (anise, licorice).

  3. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Thyme + clovetop 2% of all pairs
    Smell alikestrong
    Cooked together4,108 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

  5. Parsley + nutmegtop 3% of all pairs
    Smell alikestrong
    Cooked together5,062 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

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

What each ingredient does

Calf's head
Provides the gelatinous flesh and body that gives the soup its rich texture.
Butter
Combined with browned flour to form a roux that thickens the soup and adds richness.
Browned flour
Works with the butter to thicken the soup and give it a deeper, toasted flavour.
Onions
Release sweetness and savoury depth into the broth as they simmer.
Wine
Adds acidity and aroma that brighten the rich broth.
Mushroom ketchup
Contributes concentrated savoury, umami flavour to the soup.

The step that matters

Mix the butter with the browned flour until smooth before stirring it in. Flour mixed with fat forms a roux that disperses evenly; added as lumps or to a hot liquid without blending, it clumps and thickens unevenly.

Swap the onion

How well each one fits the dish's main ingredients (ham, thyme, parsley, clove, nutmeg, pepper, wine):

  1. Shallotfits better
  2. Carrotfits better
  3. Parsnipfits better
  4. Onionthe original

Fit is the average pairing score against ham, thyme, parsley, clove, nutmeg, pepper, 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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