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Dessert

Cup Custard

A small custard made by baking an egg, sugar, salt, nutmeg, and sweet milk in a coffee cup.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Cup Custard

Why it works: Nutmeg and milk are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 14,685 recipes. Both carry eucalyptol, which smells eucalyptus, herbal. The science ↓

Cup Custard

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Mix the custard

  1. Break an egg into a coffee cup.

  2. Add 2 teaspoons of sugar, a pinch of salt, and a pinch of grated nutmeg; beat thoroughly.

  3. Fill the cup with good sweet milk.

Bake

  1. Pour the mixture into a well-buttered cup.

  2. Place the cup in a pan of boiling water, reaching nearly to the top of the cup.

  3. Set in the oven at 350°F (175°C) until the custard is set.

Serve

  1. Chill and serve 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. Nutmeg + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together14,685 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  2. Egg + nutmegtop 17% of all pairs
    Smell alikelow
    Cooked together24,744 recipes

    Shared aroma: acetic acid (sour, vinegar).

  3. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

  4. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Sugar + nutmegtop 20% of all pairs
    Smell alikelow
    Cooked together23,364 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

Egg and nutmeg barely smell alike, yet cooks put them together in 24,744 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
Its proteins set when heated, giving the custard its firm, sliceable body.
Milk
Provides the liquid that thickens and sets into a soft, creamy custard.
Sugar
Adds sweetness and balances the flavour of the egg and milk.
Grated nutmeg
Adds a warm, aromatic flavour to the custard.

The step that matters

Set the cup in a pan of boiling water. The water surrounding the cup moderates the heat so the egg proteins set gently. Direct, intense heat would overcook them, leaving the custard grainy, curdled or watery.

Swap the nutmeg

How well each one fits the dish's main ingredients (egg, sugar, milk):

  1. Cinnamonfits better
  2. Nutmegthe original
  3. Gingerfits less well
  4. Allspicefits less well

Fit is the average pairing score against egg, sugar, milk. Candidates are from the same food group and used in at least 100 recipes.

“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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