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Beef Kidney

Beef kidney slices are fried and served with a gravy of mushroom ketchup, lemon juice, and echalot vinegar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 12 ingredients
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Beef Kidney

Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Beef Kidney

Ingredients

Directions

Prepare the kidney

  1. Trim and slice the kidney.

  2. Season with coarse sea salt and black pepper, then dredge in flour.

  3. Fry the slices on both sides until cooked through.

  4. Remove the kidney from the pan and empty it.

Make the gravy

  1. In the same pan, melt butter and add 2 teaspoons of flour, stirring well.

  2. Gradually add boiling water, stirring to make a gravy.

  3. Simmer for 1 minute, then add mushroom ketchup, lemon juice, and echalot vinegar to taste.

  4. Optionally, stir in minced herbs and finely shredded onion.

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. Pepper + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

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

  2. Beef + mushroomtop 4% of all pairs
    Smell alikemoderate
    Cooked together3,232 recipes

    Shared aroma: 2,4-nonadienal (fatty, green).

  3. Butter + mushroomtop 7% of all pairs
    Smell alikemoderate
    Cooked together12,525 recipes

    Shared aroma: trans-2-decenal (waxy, orange).

  4. Beef + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 recipes

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

  5. Pepper + mushroomtop 11% of all pairs
    Smell alikemoderate
    Cooked together13,580 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Beef kidney
Forms the main body of the dish, cooked to a tender, sliceable texture.
All-purpose flour
Coats the slices to brown in the pan and thickens the gravy.
Butter
Adds richness and fat, and carries the flour for the gravy base.
Mushroom ketchup
Adds deep savoury, umami flavour to the gravy.
Lemon juice
Adds acidity that brightens the rich gravy.

The step that matters

Fry the slices on both sides until cooked through. Kidney turns tough and rubbery if overcooked, yet undercooked meat is unsafe. Even slices cook evenly and brown well through the flour coating, so checking thickness and timing matters.

Swap the lemon

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

  1. Lemonthe original
  2. Limefits about as well
  3. Avocadofits less well
  4. Red currantfits less well

Fit is the average pairing score against beef, pepper, flour, butter, mushroom, ketchup, vinegar. 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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Stew 16Fried 12in Gravy 8Stewed 5French 3 See all 39 →

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