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Sauce Liquid

A simple sauce made from egg, sugar, boiling milk, and optional flavoring.

From an old cookbook · modernised transcription
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Why it works: Egg and milk are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 88,785 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Sauce Liquid

Ingredients

Directions

Make the custard

  1. In a double boiler, combine the egg and sugar.

  2. Slowly add the boiling milk while stirring.

  3. Cook for 15 minutes, stirring occasionally.

Finish

  1. Remove from heat and add your desired flavoring.

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. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

  2. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  3. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Sugar and milk barely smell alike, yet cooks put them together in 77,875 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

Egg
Thickens the sauce as its proteins set during gentle cooking.
Sugar
Sweetens the sauce and helps keep the egg proteins tender while cooking.
Milk
Forms the liquid base that the egg thickens into a smooth sauce.

The step that matters

Cook gently while stirring. Egg proteins set at around 160°F to 180°F and can scramble if overheated or left unstirred. Gentle heat in a double boiler and constant stirring keep the sauce smooth and lightly thickened.

“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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