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Sauce

Egg and Milk Sauce

A sauce made from milk, cream or butter, flour, egg yolk, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Milk and flour are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Egg and Milk Sauce

Ingredients

Directions

  1. Heat the milk and cream (or butter) in a saucepan until boiling.

  2. In a small bowl, mix the flour with a little cold water or milk until smooth.

  3. Stir the flour mixture into the boiling milk, stirring constantly for a few minutes.

  4. Rapidly stir in the well-beaten egg yolk.

  5. Season with salt.

  6. Bring to a boil.

  7. 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. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Milk + creamtop 18% of all pairs
    Smell alikemoderate
    Cooked together29,399 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  4. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Cream + flourtop 20% of all pairs
    Smell alikemoderate
    Cooked together30,481 recipes

    Shared aroma: acetaldehyde (pungent, ethereal).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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 milk into a smooth sauce as it heats and starch swells.
Egg yolk
Enriches the sauce and adds body as its proteins set with heat.
Milk
Forms the liquid base of the sauce.

The step that matters

Rapidly stir in the well-beaten egg yolk. Egg proteins can scramble if the yolk meets very hot liquid without fast stirring. Constant stirring disperses the yolk evenly so the sauce stays smooth and thickened rather than lumpy.

“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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