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Ox-tail Soup

A hearty soup made with ox tail, water, salt, pepper, and vegetables.

From an old cookbook · modernised transcription
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Why it works: Carrot and celery match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,173 recipes. Both carry myristicin, which smells spice, warm. The science ↓

Ox-tail Soup

Ingredients

Directions

Prepare

  1. Cut the ox tail into pieces.

  2. Place the pieces in a large pot and cover with water.

  3. Add salt, pepper, and chopped vegetables.

Simmer and serve

  1. Bring to a boil, then reduce heat and simmer for several hours until the meat is tender.

  2. Strain the soup and serve hot.

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. Carrot + celerytop 1% of all pairs
    Smell alikestrong
    Cooked together10,173 recipes

    Shared aroma: myristicin (spice, warm).

  2. Pepper + celerytop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

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

  3. Pepper + carrottop 6% of all pairs
    Smell alikestrong
    Cooked together14,555 recipes

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

  4. Carrot + oniontop 6% of all pairs
    Smell alikemoderate
    Cooked together21,601 recipes

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

  5. Onion + celerytop 7% of all pairs
    Smell alikemoderate
    Cooked together18,518 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Ox tail
Provides the meat and collagen-rich connective tissue that becomes tender and flavours the broth during long simmering.
Vegetables (carrots, onions, celery)
Release sugars and aromatic compounds into the broth, adding sweetness and savoury depth.

The step that matters

Simmer for several hours until the meat is tender. Ox tail is tough until its connective tissue breaks down slowly in gentle, not rapidly boiling, liquid. Keeping the heat low and the simmer long lets collagen convert to gelatin, so the meat turns tender and the broth becomes rich rather than stringy or thin.

Swap the onion

How well each one fits the dish's main ingredients (pepper, carrot, celery):

  1. Parsnipfits better
  2. Turnipfits better
  3. Capsicumfits better
  4. Onionthe original

Fit is the average pairing score against pepper, carrot, celery. 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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