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Dessert

Cup Custard

A custard made by tempering eggs with milk flavored with vanilla, then cooked gently over a water bath.

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

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 ↓

Cup Custard

Ingredients

Directions

Prepare the milk and eggs

  1. Heat the milk in a saucepan.

  2. Beat the eggs in a bowl.

  3. Split the vanilla pod.

  4. Soak the vanilla pod in the milk for 1 hour.

  5. Sweeten the milk.

  6. Bring the milk nearly to boiling point.

Make the custard

  1. Carefully stir the hot milk into the beaten eggs a little at a time to avoid curdling.

  2. Pour the mixture into a jug placed in a saucepan of boiling water.

  3. Stir the custard with a wooden spoon until it begins to coat the spoon.

  4. Remove the custard from heat.

  5. Continue stirring until the custard thickens.

Cool and serve

  1. Place the jug in a bowl of cold water.

  2. Stir the custard often while cooling to prevent a skin from forming.

  3. Remove the vanilla pod.

  4. Pour the custard into glasses.

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. Egg + milktop 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
Set the custard as they cook, thickening the milk into a soft, sliceable texture.
Milk
Forms the liquid base that the eggs thicken into a smooth custard.
Sugar
Sweetens the custard and balances the richness of the eggs and milk.
Vanilla pod
Infuses the milk with aroma as it soaks before the custard is made.

The step that matters

Stir the hot milk into the eggs gradually. Adding hot milk to beaten eggs slowly, while stirring, tempers them so the egg proteins do not scramble and curdle. Later, gentle heat in the water bath lets the custard thicken smoothly instead of overcooking.

“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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