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Kidney Stew

A stew made from soaked kidney, butter, onion, flour, and boiling water, seasoned with salt and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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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 ↓

Kidney Stew

Oven, in the book's wordsA moderate oven

Ingredients

Directions

Prepare the kidney

  1. Soak the kidney in salted water for 30 minutes.

  2. Drain, wipe dry, and cut into bits.

Make the stew

  1. Fry the bits in butter with chopped onion until brown.

  2. Season with salt and pepper, then mix in the flour.

  3. Cover with boiling water and stew gently for 15 minutes.

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

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

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Onion + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Pepper + flourtop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour 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

Kidney
Forms the main body of the stew and gives it its meaty texture.
Butter
Fat that browns the kidney pieces and carries flavour through the stew.
Flour
Thickens the cooking liquid into a thicker, gravy-like sauce.
Onion
Adds sweetness and aroma as it softens and browns in the butter.

The step that matters

Fry the bits in butter with chopped onion until brown. Browning builds deep, savoury flavour through the Maillard reaction. Pale frying leaves the stew tasting flat, while the pieces must be dry first so they sear rather than steam.

Swap the onion

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

  1. Shallotfits better
  2. Chivefits better
  3. Capsicumfits better
  4. Onionthe original

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