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Dessert

Boiled Custard

A simple custard made by heating milk and sugar, then adding beaten eggs, and cooling.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Milk and nutmeg 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 ↓

Boiled Custard

Ingredients

Directions

Make the custard

  1. In a saucepan, combine the milk and sugar, adding any desired flavoring.

  2. Heat the mixture over medium heat until it begins to boil.

  3. Gradually stir in the beaten eggs, stirring continuously in one direction.

  4. Once thickened, remove from heat to prevent curdling.

Serve

  1. Pour into cups and let cool.

  2. Grate nutmeg over the custard before serving.

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 + nutmegtop 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. Milk + sugartop 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

Eggs
Coagulate as they heat, setting the milk into a thick, sliceable custard.
Milk
Forms the liquid base and adds richness and body to the custard.
Sugar
Sweetens the custard and balances the flavour of the eggs and milk.

The step that matters

Stirring in the eggs and removing from heat once thickened. Egg proteins set when heated, but overheating or uneven heat can scramble them and curdle the custard. Stirring constantly and removing it from heat as soon as it thickens keeps the texture smooth.

Swap the nutmeg

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

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

Fit is the average pairing score against egg, milk, sugar. 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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