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Sauce

Egg Sauce, or White Sauce

A creamy sauce made with flour, butter, milk, salt, pepper, and chopped hard‑boiled eggs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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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 ↓

Egg Sauce, or White Sauce

Ingredients

Directions

Make the sauce

  1. In a saucepan, mix the flour with the warm butter over low heat.

  2. In another saucepan, heat the sweet milk with the salt and white pepper until boiling.

  3. Add the butter and flour mixture to the boiling milk, stirring briskly until thickened.

  4. Chop the hard-boiled eggs and add them to the sauce, heating through.

Serve

  1. Serve in a boat.

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: decanal (soap, orange peel).

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

Flour
Thickens the butter and milk into a smooth, cohesive sauce as it cooks.
Butter
Adds richness and fat, carrying flavour and giving the sauce a silky mouthfeel.
Sweet milk
Forms the liquid base of the sauce that the roux thickens.
Hard-boiled eggs
Add body and texture as chopped pieces folded through the sauce.

The step that matters

Adding the butter and flour mixture to the boiling milk. Stirring briskly as the mixture goes in helps it disperse evenly; otherwise the flour can clump into lumps instead of thickening the sauce smoothly.

Swap the white pepper

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

  1. Nutmegfits better
  2. Cinnamonfits better
  3. Capersfits better
  4. White pepperthe original

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