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Gravy for Mutton

A savory gravy made from mutton kidneys, butter, onion, herbs, and water, simmered and strained.

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 ↓

Gravy for Mutton

Ingredients

Directions

Make the gravy

  1. Melt the butter in a pot.

  2. Add the chopped onion and mutton kidneys; cook for 5 minutes.

  3. Pour in the water and bring to a boil.

  4. Simmer gently for 1.5 hours or until thick and rich.

  5. For extra flavor, add eschalots and lean meat before straining.

Strain and season

  1. Strain through a fine sieve and remove the fat.

  2. Season with salt, cayenne, or black pepper to taste.

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. Mutton + meattop 14% of all pairs
    Smell alikemoderate
    Cooked together936 recipes

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

  3. Butter + oniontop 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).

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

What each ingredient does

Mutton kidneys
Provide the main meaty flavor and body that gives the gravy its richness.
Butter
Carries flavor and adds fat for a smooth, rich mouthfeel.
Onion
Adds savory sweetness and aroma as it softens in the butter.
Water
Forms the liquid base that the kidneys and onion simmer into a thick gravy.

The step that matters

Simmer gently. A gentle simmer lets the liquid reduce and thicken slowly, while a hard boil can toughen the kidneys and make the gravy cloudy and greasy.

Swap the onion

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

  1. Potatofits better
  2. Capsicumfits about as well
  3. Asparagusfits about as well
  4. Onionthe original

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