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Mutton Soup

A hearty soup made with a whole leg of mutton, pearl barley, onions, and sage, simmered for several hours.

From an old cookbook · modernised transcription
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Mutton Soup

Why it works: Barley and onion are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 1,166 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓

Mutton Soup

Ingredients

Directions

Prepare

  1. Trim all the fat from the leg of mutton and place it whole in a kettle.

  2. Cover the mutton with cold water and set it over the fire.

Simmer

  1. When it boils, add salt to taste and the pearl barley.

  2. Let it boil for four hours, keeping it covered with water.

  3. About an hour before serving, add the onions and sage.

  4. If you dislike the flavor from the onions and sage, remove the meat before adding them.

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.

Photo for illustrative purposes only · Contact us to use it

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. Barley + oniontop 10% of all pairs
    Smell alikemoderate
    Cooked together1,166 recipes

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

  2. Onion + sagetop 12% of all pairs
    Smell alikemoderate
    Cooked together3,628 recipes

    Shared aroma: coumarin (sweet, hay).

  3. Barley + sagetop 14% of all pairs
    Smell alikestrong
    Cooked together32 recipes

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

  4. Mutton + barleytop 14% of all pairs
    Smell alikemoderate
    Cooked together510 recipes

    Shared aroma: ethyl octanoate (fruity).

  5. Mutton + oniontop 18% of all pairs
    Smell alikelow
    Cooked together4,531 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

Leg of mutton
Provides the main meat and rich flavour that the broth is built on.
Pearl barley
Softens during long simmering, thickening the broth and adding body.
Onions
Add sweetness and aromatic depth to the broth as they cook.
Sage
Adds a herbal, aromatic note that complements the rich mutton.

The step that matters

Keeping the meat covered with water during the four-hour boil. If the liquid drops below the meat, the exposed surface can dry and toughen while the broth loses volume and concentrates unevenly. Keeping it submerged ensures even, gentle cooking and a clear, well-flavoured broth.

Swap the sage

How well each one fits the dish's main ingredients (mutton, barley, onion):

  1. Garlicfits better
  2. Celeryfits better
  3. Thymefits better
  4. Sagethe original

Fit is the average pairing score against mutton, barley, onion. 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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