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Stewed Kidneys

A stew of kidney pieces cooked slowly in a butter‑flour gravy, seasoned with salt, pepper, and catsup.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Pepper and onion 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 ↓

Stewed Kidneys

Ingredients

Directions

Prepare the kidneys

  1. Cut the kidneys into small pieces and remove all the fat.

Make the gravy

  1. Melt the butter in a saucepan and blend in the flour.

  2. Add the kidney pieces and stir until browned.

  3. Pour in enough water to create a gravy.

  4. Boil slowly for three hours.

  5. Season with salt, pepper, and catsup.

  6. Thicken the gravy with a little flour blended in.

  7. If the gravy is too thin, add an onion while boiling.

  8. Remove the onion before serving.

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. Pepper + oniontop 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. Flour + oniontop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + peppertop 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

Kidneys
Provide the main meat and body of the stew.
Butter
Adds fat for richness and helps brown the kidney pieces.
Flour
Blended into the fat and water to thicken the gravy.

The step that matters

Stir until browned. Browning the kidney pieces in butter and flour builds deeper, toasted flavour through the Maillard reaction. Pale, undercooked surfaces taste flat and can leave the gravy weaker in flavour.

Swap the onion

The recipe marks onion as optional. How well each one fits the dish's main ingredients (butter, flour, pepper):

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

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