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Custard Sauce

A thickened milk and egg custard flavored with vanilla and sugar.

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

Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Custard Sauce

Ingredients

Directions

Make the custard

  1. Scald the milk in a saucepan.

  2. In a bowl, beat the eggs, salt, and sugar together.

  3. Pour the scalded milk into the egg mixture, stirring constantly.

  4. Return the mixture to the heat and cook until thick as cream, stirring continuously.

  5. Remove from heat immediately to prevent curdling.

Finish and cool

  1. Strain the mixture and let it cool.

  2. Once cool, add the vanilla 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.

Photo for illustrative purposes only · Contact us to use it

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 + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

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

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

  4. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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

Eggs
Thicken the sauce as they cook and set, giving it body and a smooth, creamy texture.
Milk
Forms the liquid base that the egg proteins thicken into a pourable sauce.
Granulated sugar
Adds sweetness and softens the flavour of the eggs and milk.

The step that matters

Remove from heat immediately to prevent curdling. Egg proteins set at higher temperatures, so if the custard overcooks it can turn grainy or curdle. Pulling it off the heat once it thickens keeps the sauce smooth.

“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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