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Dessert

Boiled Cup Custards

A custard made by boiling milk and eggs, topped with meringue.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Boiled Cup Custards

Ingredients

Directions

Make the custard

  1. Heat the milk in a double boiler until just below boiling.

  2. Beat the eggs until light, then stir in the sugar.

  3. Gradually pour the hot milk into the egg mixture, beating steadily.

  4. Return the mixture to the double boiler.

  5. Cook, stirring constantly, until thick enough to coat the spoon.

  6. Remove from heat and stir in the vanilla.

  7. Let cool.

Finish and serve

  1. Once cool, fill glasses or cups with the custard mixture.

  2. Whip the egg whites until stiff.

  3. Gradually add the sugar to make meringue.

  4. Heap the meringue on top of the custard.

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

Milk
Forms the liquid base of the custard, setting gently as it thickens with heat.
Eggs
Thicken the custard as they cook, giving it body and a smooth, set texture.
Egg whites
Whipped with sugar, they form a stable foam that makes the topping meringue.
Sugar
Sweetens the custard and stabilizes the whipped egg white meringue.

The step that matters

Cook, stirring constantly, until thick enough to coat the spoon. Egg proteins set at higher temperatures, so heat that is too high or stirring that is too slow can scramble the eggs into lumps. Constant stirring over gentle heat in a double boiler keeps the custard smooth and lets it thicken evenly.

“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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