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To Boil Mackerel in Marinade

A boiled mackerel served with a green sauce, white gravy sauce, and hard‑boiled eggs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

To Boil Mackerel in Marinade

Ingredients

Directions

Make the marinade

  1. In a pot, combine weak broth, vinegar, sweet herbs, small onions, cloves, pepper, and coarse sea salt.

  2. Boil the mixture for 1 hour.

Cook the mackerel

  1. Add the mackerel to the broth and cook until ready.

  2. Remove the fish and strain the liquid.

  3. Thicken the strained liquid and stir in chopped parsley.

Serve

  1. Serve the mackerel with the green sauce, white gravy sauce, and hard-boiled 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 + parsleytop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

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

  2. Clove + peppertop 5% of all pairs
    Smell alikestrong
    Cooked together17,451 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  3. Clove + parsleytop 6% of all pairs
    Smell alikestrong
    Cooked together6,768 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

  4. Onion + parsleytop 9% of all pairs
    Smell alikemoderate
    Cooked together25,843 recipes

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

  5. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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

What each ingredient does

Vinegar
Adds sharp acidity that brightens and flavors the broth.
Small onions
Release sweetness and aroma into the broth as they simmer.
White gravy sauce
Provides a thickened, creamy body to coat the fish.
Hard-boiled eggs
Add firm texture and richness alongside the fish.

The step that matters

Cooking the mackerel in the broth. Fish flesh is delicate. Left too long in hot liquid it toughens and breaks apart, so the timing of this step decides whether the fish stays whole and tender.

Swap the onion

How well each one fits the dish's main ingredients (vinegar, clove, pepper, parsley, sauce, egg):

  1. Shallotfits better
  2. Capsicumfits better
  3. Mustardfits better
  4. Onionthe original

Fit is the average pairing score against vinegar, clove, pepper, parsley, sauce, egg. 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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