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Liver and Lights

A spread made from boiled liver and lights mixed with butter, flour, salt, pepper, ketchup, vinegar, and the boiling liquor, served on toasted bread.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Liver and Lights

Ingredients

Directions

Prepare

  1. Boil the liver and lights until cooked.

  2. Cut them into mince and add the boiling liquor.

Make the spread

  1. Mix in butter rolled in flour, salt, pepper, ketchup, and vinegar.

  2. Let the mixture simmer for a few minutes.

Serve

  1. Serve on toasted bread slices.

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. Butter + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + ketchuptop 13% of all pairs
    Smell alikemoderate
    Cooked together2,435 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  4. Pepper + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

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

  5. Liver + breadtop 16% of all pairs
    Smell alikemoderate
    Cooked together731 recipes

    Shared aroma: 2-nonenal (fatty, 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

Liver
Provides the main body and rich, savoury flavour of the spread.
Lights
Adds bulk and a softer texture to the minced meat mixture.
Butter rolled in flour
Enriches the spread with fat and, with the flour, thickens it smoothly.
Vinegar
Adds acidity that brightens the rich flavour of the liver.
Ketchup
Contributes sweetness and tang that balance the savoury liver.

“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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