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Boiled Mackerel

A boiled mackerel served with parsley and a butter‑vinegar sauce.

From an old cookbook · modernised transcription
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Why it works: Parsley and butter 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 ↓

Boiled Mackerel

Ingredients

Directions

Prepare

  1. Cook the mackerel in boiling water until tender.

  2. Remove the backbone from the fish.

  3. Sprinkle the inner surface with chopped parsley.

Finish and serve

  1. Melt the butter and add a dash of vinegar to the melted butter.

  2. Pour the butter mixture over the opened fish.

  3. Clap the fish together.

  4. Serve.

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. Parsley + buttertop 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 + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Parsley + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together18,765 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  5. 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

Mackerel
Forms the main body of the dish and provides the flesh that cooks until tender.
Butter
Adds richness and moisture, coating the fish with fat as it is served.
Vinegar
Adds a sharp acidity that balances the richness of the butter.

Swap the parsley

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

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

Fit is the average pairing score against butter, egg, 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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