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Dessert

Vanilla Custard

A sweet, creamy dessert made by steeping vanilla in milk, whisking egg yolks, and gently cooking until thickened.

From an old cookbook · modernised transcription
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Why it works: Vanilla and milk 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

Ingredients

Directions

Prepare the infusion

  1. Cut the vanilla pod into pieces and soak in milk or cream for 1 hour.

Make the custard

  1. Stir in the sugar until dissolved, then add the beaten egg yolks.

  2. Place the mixture in a bowl over a saucepan of boiling water.

  3. Stir continuously until it thickens, but do not let it boil.

Cool and serve

  1. Let it cool, then serve in a glass dish or custard cups.

  2. Whisk the egg whites to a firm froth and pile on the custard before serving.

  3. Sprinkle a little white sugar on top before serving.

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. Vanilla + milktop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

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

  2. Vanilla + sugartop 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).

Vanilla and sugar 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

Egg yolks
Thicken the custard as they set over gentle heat, giving it a rich body.
Milk or cream
Forms the liquid base that carries the vanilla flavour and sets with the eggs.
Sugar
Sweetens the custard and helps keep it smooth and tender.
Egg whites
Whisked to a firm froth, they add light, airy volume on top of the custard.

The step that matters

Stir continuously until it thickens, but do not let it boil.. Egg proteins set gently around 70 to 85°C and curdle or turn grainy if overheated. Constant stirring over a water bath spreads the heat evenly, so the custard thickens smoothly.

“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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