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Eggs with Black Butter

Eggs cooked in butter until the butter turns black, served with vinegar.

From an old cookbook · modernised transcription
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Why it works: Pepper and vinegar are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 27,814 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Eggs with Black Butter

Ingredients

Directions

Make the eggs

  1. Heat the butter in a frying pan until it burns.

  2. Break the eggs into a dish and season with salt and pepper.

  3. Pour the eggs into the frying pan and cook until done.

Finish and serve

  1. Brown the top of the eggs with a salamander or broiler.

  2. Serve with a drizzle of vinegar over the eggs.

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

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

  2. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

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

  4. Butter + vinegartop 23% of all pairs
    Smell alikemoderate
    Cooked together13,513 recipes

    Shared aroma: isoamyl acetate (banana, pear).

  5. Egg + vinegartop 33% of all pairs
    Smell alikelow
    Cooked together12,922 recipes

    Shared aroma: acetic acid (sour, vinegar).

Egg and vinegar barely smell alike, yet cooks put them together in 12,922 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

Butter
Browns and turns nutty in the pan, adding rich, toasty flavor to the eggs.
Eggs
Set as they cook to form the body of the dish, with a tender texture.

The step that matters

Heating the butter until it burns. Butter that is burnt but not blackened gives a nutty, toasty flavor. Milk solids darken quickly at high heat, so the butter can go from browned to bitter within seconds. Watch it closely and remove it from the heat at the right moment.

“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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