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French Custards

A custard made by boiling milk with vanilla and sugar, then adding beaten eggs, and setting in water bath.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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French Custards

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 ↓

French Custards

Ingredients

Directions

Make the custard

  1. Boil the milk with the vanilla and sugar for 3 minutes.

  2. Remove from heat and beat the egg yolks and white together.

  3. Mix the eggs with the milk and strain through a sieve.

Set and cool

  1. Pour the mixture into small pots.

  2. Place the pots in a saucepan half full of boiling water.

  3. Once set, remove from heat.

  4. Place the pots in a cool area without lids until completely cold.

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. 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
Provide richness and thicken the custard as they set when gently heated.
Egg white
Adds protein that helps the custard set firmly and gives a lighter texture.
Milk
Forms the liquid base that the eggs set into a smooth custard.
Sugar
Adds sweetness and balances the richness of the eggs and milk.

The step that matters

Setting the custard in the water bath. Egg proteins set at gentle temperatures, so the custard can curdle or turn grainy if the water boils too hard. Keeping the heat gentle lets it set into a smooth, even texture.

“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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