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To Hafi Mutton

A simple mutton soup made with broth, onion, pepper, salt, flour, and butter.

From an old cookbook · modernised transcription
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Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

To Hafi Mutton

Ingredients

Directions

  1. In a frying pan, combine broth, onion, pepper, and salt, then heat over medium until boiling.

  2. Thicken with flour and butter, stirring constantly.

  3. Add mutton and cook until thoroughly heated.

  4. Serve in a soup dish.

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. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  2. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Mutton + peppertop 16% of all pairs
    Smell alikelow
    Cooked together5,442 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  5. Mutton + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together3,781 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Mutton
Provides the main meat flavour and tender, chewy bite in the soup.
Flour
Thickens the broth into a smoother, more body-rich soup when cooked with fat.
Butter
Adds fat for richness and helps the flour thicken the broth smoothly.
Onion
Adds sweetness and aromatic depth as it softens in the broth.

The step that matters

Thicken with flour and butter, stirring constantly. Flour clumps if it hits hot liquid unevenly. Constant stirring disperses the starch so it swells smoothly and the soup thickens without lumps.

Swap the onion

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

  1. Shallotfits better
  2. Leekfits better
  3. Potatofits better
  4. Onionthe original

Fit is the average pairing score against mutton, pepper, flour, butter. 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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