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Chocolate Custard

A baked chocolate custard made with eggs, milk, sugar, chocolate, and vanilla.

From an old cookbook · modernised transcription
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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 ↓

Chocolate Custard

Ingredients

Directions

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

Make the custard

  1. Dissolve the chocolate with a little milk, then add half the sugar and the remaining milk.

  2. Heat the mixture in a double boiler until hot.

  3. Pour the hot mixture over the beaten eggs and the rest of the sugar. Add the vanilla.

Bake

  1. Bake in a moderate oven (350°F / 175°C) until set, like 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. Chocolate + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together10,020 recipes

    Shared aroma: sotolon (curry, maple).

  3. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

  4. Sugar + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Milk + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together9,128 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

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 into a firm, sliceable texture as they coagulate with heat.
Milk
Provides the liquid base and moisture that the eggs set into a creamy custard.
Sugar
Adds sweetness and balances the bitterness of the chocolate.
Chocolate
Supplies the main flavor and dark color of the custard.

The step that matters

Baking until set. Eggs thicken as their proteins coagulate with heat, so the custard must be baked just until set. Overbaking causes the proteins to tighten too far, making the custard grainy and weeping liquid.

“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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