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Caip's Liver Fried

A fried liver served with a peppered gravy.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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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 ↓

Caip's Liver Fried

Ingredients

Directions

Prepare the liver

  1. Soak the liver in vinegar for 24 hours, turning it occasionally.

  2. Wash and dry the liver, then slice it evenly.

  3. Season the liver with pepper, salt, and finely chopped herbs.

  4. Dust the liver with flour and fry it in butter until golden brown.

  5. Remove the liver and keep it warm.

Make the gravy

  1. In the same pan, pour out excess fat and add a small slice of fresh butter.

  2. Once the butter melts, stir in ½ teaspoon of flour and add boiling water.

  3. Season the gravy with pepper, salt, and lemon juice, then bring to a boil.

Serve

  1. Serve the liver with the gravy poured over it.

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

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

  2. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Vinegar + peppertop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  5. Flour + lemontop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter 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

Liver
Forms the main body of the dish, cooked to a tender interior with a browned crust.
Vinegar
Soaking in vinegar acts on the liver, giving it a sharper, tangier flavour.
Flour
Dusting coats the slices so they brown in the pan, and thickens the gravy.
Butter
Fat for frying that browns the liver and forms the base of the gravy.

The step that matters

Frying the dusted liver in butter. Fry over steady heat until golden brown. Too hot and the flour coating scorches before the liver cooks through; too cool and the slices steam and turn grey instead of browning.

Swap the lemon

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

  1. Lemonthe original
  2. Limefits about as well
  3. Plumfits less well
  4. Cherryfits less well

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