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Egg Sauce

A creamy sauce made with eggs, butter, flour, milk, mustard, pepper, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 the eggs

  1. Boil the eggs until hard.

  2. Peel and chop the eggs.

Make the sauce

  1. Melt the butter in a saucepan.

  2. Stir in the flour and cook for a minute.

  3. Gradually add the milk, stirring until smooth.

  4. Add the chopped eggs, mustard, pepper, and salt.

  5. Heat through 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. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + mustardtop 13% of all pairs
    Smell alikemoderate
    Cooked together5,066 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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 to form the fat base that the flour is cooked into.
Flour
Thickens the milk into a smooth sauce as it cooks with the butter.
Milk
Forms the liquid body of the sauce, thickened by the cooked flour.
Eggs
Provide the chopped egg pieces and richness folded into the sauce.

The step that matters

Gradually add the milk, stirring until smooth. Adding liquid all at once to a flour and butter roux can form lumps. Adding it gradually while stirring lets the starch disperse evenly before it thickens.

Flavor stand-ins for the mustard

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

  1. Capsicumbetter flavor fit
  2. Potatobetter flavor fit
  3. Asparagusbetter flavor fit
  4. Mustardthe original

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