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Dessert

Chocolate Sauce

A chocolate sauce made by boiling chocolate in milk, whisking egg yolks and sugar, then combining and cooking into a custard.

From an old cookbook · modernised transcription
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Why it works: Vanilla and milk 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 Sauce

Ingredients

Directions

Prepare

  1. Boil the chocolate in the milk.

  2. Beat the egg yolks and sugar together.

Make the sauce

  1. Pour the hot milk over the egg mixture.

  2. Whip in the cream.

  3. Cook like a boiled custard.

  4. Add vanilla after removing from heat.

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. Vanilla + milktop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Vanilla + chocolatetop 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. Cream + sugartop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  5. Cream + chocolatetop 11% of all pairs
    Smell alikemoderate
    Cooked together5,466 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

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

Egg yolks
Thicken the sauce as they set gently, giving it body and a smooth texture.
Sugar
Adds sweetness and balances the bitterness of the chocolate.
Chocolate
Provides the main flavor and deep color of the sauce.
Milk
Forms the liquid base that melts the chocolate and carries the other ingredients.
Cream
Adds fat for richness and a silky mouthfeel.
Vanilla
Adds aroma that rounds out the chocolate flavor.

The step that matters

Cook like a boiled custard. Egg yolks thicken through gentle heat, but too much heat can curdle or scramble them. Cook slowly and keep the sauce moving so it thickens smoothly.

“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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