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Liver and Onions

A simple dish of liver pieces sautéed with onions.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Liver and onion are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 1,420 recipes. Both carry furaneol, which smells caramel, strawberry. The science ↓

Liver and Onions

Ingredients

Directions

Prepare

  1. Pour boiling water over the liver, then drain it.

  2. Dredge the liver pieces in flour.

Cook

  1. In a skillet, sauté the sliced onions until golden.

  2. Add the floured liver to the skillet and cook until browned.

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. Liver + oniontop 15% of all pairs
    Smell alikelow
    Cooked together1,420 recipes

    Shared aroma: furaneol (caramel, strawberry).

  2. Onion + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

What each ingredient does

Liver
Provides the main protein and rich flavor, and browns to a savory crust when cooked.
Onions
Become sweet and golden as they sauté, adding flavor that complements the liver.
Flour
Coats the liver so it browns better and develops a light, crisp surface.

The step that matters

Browning the floured liver. Liver cooks quickly and turns tough and dry if overcooked. Flour dredging helps the surface brown, so cook just until browned and avoid crowding the pan, which steams the pieces instead of browning them.

Swap the onion

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

  1. Shallotfits better
  2. Chivefits better
  3. Turnipfits better
  4. Onionthe original

Fit is the average pairing score against liver, flour. 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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