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Sauce

Sharp Egg Sauce

A tangy sauce made from flour, water, egg yolks, lemon or vinegar, seasoned with pepper and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 27,047 recipes mention both. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Sharp Egg Sauce

Ingredients

Directions

Make the sauce base

  1. Mix the flour smoothly with the cold water.

  2. Pour the boiling water onto the flour mixture and stir over heat until thickened.

Finish the sauce

  1. Season with pepper and salt.

  2. Add the beaten egg yolks and stir at low heat for 5 minutes.

  3. Gradually stir in the lemon juice or vinegar, ensuring the sauce does not boil.

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 aroma chemistry they share, and how many recipes mention both.

  1. Pepper + lemontop 3% of all pairs
    Aroma overlapstrong
    Mentioned together27,047 recipes

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

  2. Flour + eggtop 15% of all pairs
    Aroma overlaplow
    Mentioned together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + lemontop 17% of all pairs
    Aroma overlapmoderate
    Mentioned together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Egg + lemontop 19% of all pairs
    Aroma overlaplow
    Mentioned together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  5. Flour + peppertop 19% of all pairs
    Aroma overlapmoderate
    Mentioned together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and egg share little aroma chemistry, yet 106,462 recipes mention both: they likely 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

Flour
Thickens the water into a smooth, stable sauce base as it cooks.
Egg yolks
Enrich the sauce and thicken it gently, adding richness and a smooth body.
Lemon juice or french vinegar
Adds acidity that brightens the rich egg flavour.

The step that matters

Gradually stir in the lemon juice or vinegar, ensuring the sauce does not boil.. Egg yolks scramble and curdle when overheated, so the sauce must stay below boiling once the yolks are in. Adding the acid slowly and off strong heat keeps the emulsion smooth.

“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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