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Sauce

Dutch Sauce for Fish

A sauce made with flour, butter, vinegar, water, and egg yolks, seasoned with salt.

From an old cookbook · modernised transcription
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Dutch Sauce for Fish

Ingredients

Directions

  1. In a saucepan, combine flour, butter, vinegar, water, and egg yolks.

  2. Stir continuously over low heat until the sauce thickens.

  3. Do not let the sauce boil to prevent curdling.

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

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Butter + vinegartop 23% of all pairs
    Smell alikemoderate
    Cooked together13,513 recipes

    Shared aroma: isoamyl acetate (banana, pear).

  5. Flour + vinegartop 27% of all pairs
    Smell alikemoderate
    Cooked together8,652 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Egg yolks
Emulsify and thicken the sauce as they set gently over heat.
Butter
Adds richness and fat that gives the sauce a smooth, glossy mouthfeel.
Flour
Provides a small amount of starch to stabilise the sauce and help it thicken.
Vinegar
Adds acidity that brightens the sauce and balances the richness of the butter and yolks.

The step that matters

Keep the heat low and do not let the sauce boil. Egg yolks thicken through gentle heating, but high heat or boiling scrambles their proteins, causing the sauce to curdle and turn grainy.

“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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