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Calf's Liver

A dish of sliced calf liver fried in butter, finished with coffee and served with crispy bacon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Calf's Liver

Ingredients

Directions

Prepare

  1. Cut the liver into neat, smooth slices and soak in saltwater to extract the blood.

  2. Mix the flour and salt together.

  3. Coat the liver slices in the flour mixture.

Cook and serve

  1. Fry the coated liver in hot butter until browned.

  2. Just before serving, add coffee, cover tightly, and let stand for a moment.

  3. Serve with slices of crispy fried English breakfast bacon.

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

    Shared aroma: isobutyraldehyde (malty, green).

  2. Liver + buttertop 19% of all pairs
    Smell alikemoderate
    Cooked together2,065 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Butter + coffeetop 23% of all pairs
    Smell alikemoderate
    Cooked together2,442 recipes

    Shared aroma: 2-furfurylthiol (coffee, roasted).

  4. Flour + coffeetop 23% of all pairs
    Smell alikelow
    Cooked together2,141 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Liver + flourtop 28% of all pairs
    Smell alikelow
    Cooked together1,418 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

Calf's liver
Is the main protein, cooked quickly so it stays tender inside.
Flour
Forms a light coating that browns in the butter and helps the surface crisp.
Butter
Conducts heat for frying and adds browning and richness to the surface.
Coffee
Adds a bitter, roasted aroma and flavour to the liver in the final covered stand.

The step that matters

Adding the coffee just before serving. Coffee added to a hot pan can boil off quickly or make the coating soggy. Covering it briefly lets the liquid flavour the meat gently while the surface stays crisp.

“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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