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Baked Salt Mackerel

A baked salt mackerel finished with a butter‑flour‑pepper paste thickened in milk.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Baked Salt Mackerel

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the fish

  1. Wash the salt mackerel well.

  2. Soak it overnight in cold water, skin side up.

  3. In the morning, place the fish on its back in a shallow baking tin.

  4. Pour the milk over the fish.

Bake and serve

  1. Bake for 20 minutes at 400°F (200°C).

  2. Mix the flour, butter, and pepper into a smooth paste.

  3. Stir the paste into the milk.

  4. Serve with the thickened milk poured around the fish.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + peppertop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Salt mackerel
Is the main fish, seasoned and firmed by curing, and soaking reduces its saltiness.
Milk
Forms the sauce that bakes around the fish, adding moisture and a mild, creamy flavour.
Flour
Thickens the milk sauce when mixed with butter and stirred in.
Butter
Mixed with the flour to make a paste that adds richness to the sauce.

The step that matters

Stir the flour paste into the milk. Mixing the flour and butter into a smooth paste first prevents lumps, so the flour dispersed in the warm milk thickens it evenly into a smooth sauce.

“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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