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White Cucumber Sauce

A sauce made from boiled cucumbers mixed with béchamel, egg yolks, chili vinegar or lemon juice, butter, and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Cucumber and vinegar are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 4,734 recipes. Both carry 2-methylbutyl acetate, which smells fruit. The science ↓

White Cucumber Sauce

Ingredients

Directions

Prepare the cucumbers

  1. Quarter the cucumbers and remove the seeds and rinds.

  2. Cut the cucumber pieces into 1‑inch lengths.

  3. Boil the cucumber pieces in salted water for 15 to 18 minutes.

  4. Press the water out with the back of a spoon and work through a sieve.

Make the sauce

  1. Mix the cucumber puree with béchamel sauce, ensuring it does not boil again, and serve hot.

  2. Boil cucumbers in well‑seasoned veal gravy.

  3. Stir in beaten egg yolks and chili vinegar or lemon juice.

  4. Serve.

  5. Alternatively, slice cucumbers and stew in butter without browning.

  6. Boil the stew in gravy thickened with cream.

  7. Add a pinch of sugar.

  8. Serve.

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. Cucumber + vinegartop 8% of all pairs
    Smell alikemoderate
    Cooked together4,734 recipes

    Shared aroma: 2-methylbutyl acetate (fruit).

  2. Sauce + sugartop 13% of all pairs
    Smell alikestrong
    Cooked together5,147 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Sauce + buttertop 15% of all pairs
    Smell alikelow
    Cooked together15,338 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  4. Vinegar + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

Sauce and butter barely smell alike, yet cooks put them together in 15,338 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

Cucumbers
Provide the main body and fresh vegetable flavour of the sauce.
Béchamel sauce
Forms the thick white base that carries the cucumber purée.
Egg yolks
Thicken the sauce when gently heated, adding richness and smoothness.
Chili vinegar or lemon juice
Adds acidity that brightens the rich sauce and balances its fat.

The step that matters

Do not let the sauce boil after adding the egg yolks. Egg yolks scramble and curdle when overheated, so the sauce stays smooth only if it is kept hot but below boiling.

Swap the cucumber

How well each one fits the dish's main ingredients (sauce, egg, vinegar, butter, sugar):

  1. Mustardfits better
  2. Capsicumfits about as well
  3. Shallotfits about as well
  4. Cucumberthe original

Fit is the average pairing score against sauce, egg, vinegar, butter, sugar. 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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