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Fish on Toast

A creamy fish mixture served over buttered toast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Parsley and pepper 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 ↓

Fish on Toast

Ingredients

Directions

Prepare

  1. Break the fish into small, neat pieces and sprinkle with salt and pepper.

  2. Melt the butter in a saucepan, then stir in the flour.

  3. Add the milk and stir until the mixture thickens.

Make the fish mixture

  1. Add the fish and beaten eggs, stirring gently until thick but do not boil.

Serve

  1. Pour the mixture over buttered toast, sprinkle with parsley, and serve immediately.

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 + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

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

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  3. Fish + buttertop 12% of all pairs
    Smell alikemoderate
    Cooked together4,488 recipes

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

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + parsleytop 12% of all pairs
    Smell alikemoderate
    Cooked together16,675 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour 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

Fish
Forms the main body of the dish, giving it substance and savoury flavour.
Eggs
Set when gently heated, thickening the mixture and binding it together.
Flour
Thickens the butter and milk into a smooth sauce as it cooks.
Milk
Forms the liquid base of the sauce, adding moisture and richness.

The step that matters

Add the fish and eggs without boiling. Eggs set when heated, but if the mixture boils they can curdle and turn grainy. Stirring gently over moderate heat keeps the sauce smooth and thick.

Swap the parsley

How well each one fits the dish's main ingredients (fish, butter, flour, milk, egg, pepper):

  1. Nutmegfits about as well
  2. Parsleythe original
  3. Cinnamonfits about as well
  4. Capersfits about as well

Fit is the average pairing score against fish, butter, flour, milk, egg, pepper. 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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