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Dessert

Coffee or Chocolate Custard

A custard made with eggs, coffee or chocolate, milk, and sugar, cooked until set.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Coffee and milk are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 2,202 recipes. Both carry 4-heptenal, which smells creamy, biscuit. The science ↓

Coffee or Chocolate Custard

Ingredients

Directions

The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Make very strong coffee or chocolate.

  2. Beat the eggs well.

Make the custard

  1. Combine the eggs with the boiling milk, coffee, and sugar in a pan, and mix well.

  2. Strain the mixture through a sieve.

  3. Fill cups with the mixture.

Cook

  1. Place the cups in a stewpan with 1 inch of water and cook until set.

  2. Alternatively, pour into a pudding dish and bake slowly at 300°F (150°C) for 2 hours.

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. Coffee + milktop 10% of all pairs
    Smell alikemoderate
    Cooked together2,202 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

  2. Coffee + sugartop 17% of all pairs
    Smell alikelow
    Cooked together4,344 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).

Milk and sugar barely smell alike, yet cooks put them together in 77,875 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, giving it a firm, sliceable structure.
Boiling milk
Adds moisture and richness, producing a smooth, creamy texture.
Strong coffee or chocolate
Provides the main flavour of the custard.
Sugar
Adds sweetness and balances the bitterness of the coffee.

The step that matters

Cook until set. Eggs thicken as their proteins coagulate with gentle heat. Cooking too hot or too long can curdle the custard and leave it grainy, so cook slowly until just set.

“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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