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Dessert

Vanilla Custard

A creamy vanilla custard made by boiling cream with sugar, folding in beaten egg yolks, and thickening over a bain-marie.

From an old cookbook · modernised transcription
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Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Vanilla Custard

Ingredients

Directions

Make the custard

  1. Boil the cream with the sugar for 15 minutes, then strain through muslin.

  2. Beat the egg yolks in a bowl, then pour the strained cream over them.

  3. Place the bowl over a pan of boiling water and stir rapidly until thickened.

  4. Let the mixture cool gradually, then add the vanilla extract and stir continuously.

Serve

  1. Once cold, serve in a dish topped with the whipped egg whites sprinkled with sugar.

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

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

  2. Cream + sugartop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  3. Cream + vanillatop 15% of all pairs
    Smell alikelow
    Cooked together12,301 recipes

    Shared aroma: 2-nonanone (fruity, floral).

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

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

  5. Egg + vanillatop 23% of all pairs
    Smell alikelow
    Cooked together27,347 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

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

Cream
Provides richness and a smooth, soft body to the custard.
Egg yolks
Thicken the custard as they set gently with heat, giving it structure.
Sugar
Adds sweetness and helps balance the richness of the cream and yolks.
Egg whites
Whipped to form a light, airy topping over the custard.

The step that matters

Thickening over simmering water. Egg yolks set at low, gentle heat; if the water is too hot or the mixture is stirred too slowly, the yolks can scramble and curdle. Stirring rapidly and steadily keeps the heat even 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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