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Pickled Mackerel

A preserved fish dish made by layering mackerel with pepper, salt, vinegar, shallot, and bay leaf, then baking.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Shallot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 3,737 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓

Pickled Mackerel

Oven, in the book's wordsA gentle oven

Ingredients

Directions

The book says “a gentle oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the fish

  1. Cut off the heads and tails of the mackerel and clean them.

  2. Remove the brown substance from the backbone near the head to avoid bitterness.

  3. Loosen the backbone and remove it whole.

  4. Divide the flesh and roe into serving pieces.

Pickle and bake

  1. In a stone jar, layer pieces of fish, seasoning with pepper and salt.

  2. Pour vinegar over the fish and add the shallot and bay leaf.

  3. Repeat layering with the remaining fish, seasoning, and vinegar.

  4. Cover the jar with a lid and paper, tying it tightly.

  5. Bake in a gentle oven at 300°F (150°C) for two hours.

Serve

  1. Serve the fish on a dish, removing the herbs, and garnish with fennel and parsley.

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. Shallot + parsleytop 1% of all pairs
    Smell alikestrong
    Cooked together3,737 recipes

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

  2. Fennel + parsleytop 1% of all pairs
    Smell alikestrong
    Cooked together625 recipes

    Shared aroma: myristicin (spice, warm).

  3. Pepper + parsleytop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

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

  4. Shallot + fenneltop 2% of all pairs
    Smell alikestrong
    Cooked together146 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  5. Pepper + fenneltop 7% of all pairs
    Smell alikestrong
    Cooked together1,216 recipes

    Shared aroma: myristicin (spice, warm).

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 its oily flesh stays moist and rich during slow baking.
Vinegar
Acidity that flavours the fish and helps preserve it while it sits in the jar.
Roe (in the method)
Adds richness and a soft, creamy texture to the fish pieces.

The step that matters

Remove the brown substance from the backbone. The dark material near the head is bitter, and leaving it in can carry that bitterness into the whole dish, so it should be removed before the fish is layered.

Swap the fennel

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

  1. Tarragonfits better
  2. Capersfits better
  3. Thymefits better
  4. Fennelthe original

Fit is the average pairing score against pepper, vinegar, shallot, parsley. 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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