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Beef Kidney

A dish of sliced beef kidney fried and served in a sauce of butter, vinegar, water, mushroom ketchup, and lemon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 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.

Fry and make the sauce

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

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

  3. In the same pan, melt the butter, then add vinegar, boiling water, and seasonings.

  4. Simmer for 1 minute, then add mushroom ketchup and lemon juice.

  5. Optionally, stir in minced herbs and finely chopped 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.

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, becoming tender when cooked through briefly.
Butter
Adds richness and fat to the pan sauce, carrying flavour and giving a smooth texture.
Vinegar
Adds acidity that sharpens the flavour and balances the richness of the kidney and butter.
Mushroom ketchup
Contributes concentrated savoury depth, adding umami to the sauce.
Lemon juice
Adds fresh acidity that brightens the sauce and cuts through the fat.
Flour
Coats the slices so they brown in the pan and help thicken the sauce slightly.

The step that matters

Fry the slices on both sides until cooked through. Kidney turns tough and rubbery if overcooked, and undercooked meat is unsafe. Frying briefly over steady heat cooks it through while keeping it tender, so timing matters.

Swap the lemon

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

  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, vinegar, mushroom, ketchup. 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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