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Dessert

Chocolate Filling

A chocolate filling made by melting chocolate, mixing with milk, sugar, and egg, then thickening and spreading over cake.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Chocolate and sugar are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 15,404 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

Chocolate Filling

Ingredients

Directions

  1. Melt the chocolate over hot water.

  2. Dilute the melted chocolate with milk.

  3. Mix the sugar with the well-beaten egg and add to the chocolate mixture.

  4. Stir until thickened and spread over the 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. Chocolate + sugartop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

  2. Chocolate + milktop 13% of all pairs
    Smell alikemoderate
    Cooked together9,128 recipes

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

  3. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

Sugar and milk 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

Unsweetened chocolate
Provides the main chocolate flavor and body of the filling.
Sugar
Sweetens the bitter chocolate and helps give the filling a smooth texture.
Egg
Thickens the chocolate mixture as it heats, giving the filling its set.
Milk
Thins the melted chocolate so it blends smoothly and spreads easily.

The step that matters

Stir until thickened. The egg thickens only as the mixture warms, so stirring steadily over gentle heat keeps it smooth. If it gets too hot, the egg can scramble and leave lumps.

“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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