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Dessert

Chocolate Filling

A chocolate filling made by melting chocolate with sugar, milk, egg yolk, and vanilla.

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

Ingredients

Directions

Make the mixture

  1. Melt the chocolate in a saucepan.

  2. Add the sugar and milk.

  3. Boil until it forms a soft ball in cold water, then remove from heat.

Finish and fill

  1. Stir in the beaten egg yolk and vanilla.

  2. Cool the mixture.

  3. Spread it between layers of cake.

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. Chocolate + milktop 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

Chocolate
Provides rich flavor and fat that help the ganache set firm and smooth as it cools.
Sugar
Adds sweetness and, as it boils, concentrates to give the ganache its body and set.
Milk
Adds moisture and creaminess, loosening the chocolate into a spreadable mixture.
Egg yolk
Adds richness and helps thicken and bind the mixture as it cools.
Vanilla
Adds aroma that rounds out the chocolate flavor.

The step that matters

Boiling to the soft ball stage. As water evaporates, the sugar concentration rises, which controls how the ganache sets. Too little boiling leaves it runny; too much makes it stiff and grainy once cooled.

“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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