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Sauce

Egg Sauce

A sauce made with butter, milk, flour, and a hard‑boiled egg, seasoned with salt and white pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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

Ingredients

Directions

Prepare

  1. Boil the egg for 10 minutes, then remove the shell and chop it up.

Make the sauce

  1. In a small saucepan, melt the butter and mix in the flour over medium heat.

  2. Pour in the milk and stir until it boils.

  3. Add the chopped egg, mix well, and 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Milk + flourtop 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).

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
Melts with the flour to form a roux that gives the sauce body and richness.
Flour
Thickens the milk as its starch swells when heated, giving the sauce structure.
Milk
Forms the liquid base that the roux thickens into a smooth sauce.
Hard-boiled egg
Adds chopped egg pieces that give the sauce texture and savory flavor.

The step that matters

Stirring the milk into the roux. Adding the milk gradually while stirring keeps lumps from forming. Flour starch needs to be evenly dispersed in the liquid before it thickens, so the sauce stays smooth as it comes to a boil.

Flavor stand-ins for the white pepper

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

  1. Nutmegbetter flavor fit
  2. Cinnamonbetter flavor fit
  3. Capersbetter flavor fit
  4. White pepperthe original

Fit is the average pairing score against butter, milk, flour, egg. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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