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Sauce

Black Butter Sauce

A sauce made by browning butter, then adding parsley and vinegar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Butter and parsley are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 28,563 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓

Black Butter Sauce

Ingredients

Directions

  1. Melt the butter in a frying or sauté pan over medium heat.

  2. Cook until the butter turns a deep brown color.

  3. Add the chopped parsley and vinegar, stirring to combine.

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 + parsleytop 15% of all pairs
    Smell alikemoderate
    Cooked together28,563 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

  2. Parsley + vinegartop 16% of all pairs
    Smell alikemoderate
    Cooked together6,477 recipes

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

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

    Shared aroma: isoamyl acetate (banana, pear).

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

What each ingredient does

Butter
Browns and toasts into a nutty, aromatic sauce base with rich flavor and fat.
Vinegar
Adds a sharp acidity that balances the rich, toasted butter.

The step that matters

Cooking the butter to deep brown. Butter contains milk solids that brown as the water cooks off, creating nutty flavor. Cooking too long or too hot turns them bitter and burnt, so the cook must watch closely and stop at deep brown, not black.

Swap the parsley

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

  1. Tarragonfits better
  2. Garlicfits about as well
  3. Parsleythe original
  4. Capersfits about as well

Fit is the average pairing score against butter, vinegar. 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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