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Fish a LA Provencale

A creamy fish dish with a sauce of butter, flour, milk, anchovy essence, and flaked fish.

From an old cookbook · modernised transcription
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Why it works: Butter and milk 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 ↓

Fish a LA Provencale

Ingredients

Directions

The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Make the sauce

  1. In a saucepan, melt the butter over medium heat.

  2. Stir in the flour and cook for 1-2 minutes.

  3. Gradually whisk in the milk until the sauce thickens.

Finish and serve

  1. Mash the egg yolks and mix with the anchovy essence.

  2. Stir the egg mixture into the sauce, then gently fold in the flaked fish.

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

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

  2. Anchovy + fishtop 9% of all pairs
    Smell alikelow
    Cooked together637 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Butter + fishtop 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. Egg + anchovytop 12% of all pairs
    Smell alikemoderate
    Cooked together2,330 recipes

    Shared aroma: decanal (soap, orange peel).

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

Butter
Enriches the sauce and carries flavour as the base of the roux.
Flour
Thickens the sauce with the butter as a roux.
Milk
Forms the liquid body of the sauce, which thickens as it heats.
Hard boiled egg yolks
Mashed into the sauce to add richness and a creamy texture.
Flaked fish
Provides the main protein and substance of the dish.

The step that matters

Gradually whisk in the milk until the sauce thickens. Adding milk slowly while whisking keeps the flour evenly dispersed, preventing lumps. A smooth, properly thickened sauce forms only when the roux and liquid combine gradually.

“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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