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Vanilla Custard Sauce, to Serve with Puddings

A simple vanilla custard sauce made by whisking eggs, sugar, milk, and vanilla, then cooking over a water bath until thickened.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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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 ↓

Vanilla Custard Sauce, to Serve with Puddings

Ingredients

Directions

Mix the base

  1. Beat the eggs in a bowl.

  2. Add the sugar to the milk and stir well.

  3. Combine the egg mixture with the sweetened milk and add the essence of vanilla.

  4. Pour the mixture into a small jug.

Thicken the sauce

  1. Place the jug in a saucepan of boiling water.

  2. Stir the sauce continuously until it thickens, being careful not to let it boil.

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 + 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. Egg + sugartop 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
Egg proteins set as they warm, thickening the sauce into a custard.
Milk
Forms the liquid base that the eggs thicken into a smooth sauce.
Sugar
Adds sweetness and balances the richness of the eggs and milk.
Essence of vanilla
Adds the main aroma of the sauce.

The step that matters

Stir continuously and do not let the sauce boil. Egg proteins set gradually at gentle heat. If the sauce gets too hot or sits still, the eggs can curdle or scramble, leaving a grainy texture instead of a smooth custard.

“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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