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Dessert

Chocolate Filling

A smooth chocolate filling made with egg yolks, sugar, chocolate, and cream.

From an old cookbook · modernised transcription
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Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

Chocolate Filling

Ingredients

Directions

Make the filling

  1. In a saucepan, combine the egg yolks, sugar, chocolate, and cream.

  2. Cook over low heat, stirring constantly, until the mixture is smooth.

Use the filling

  1. Spread the filling immediately on the cake.

  2. For best results, use the filling while it is very fresh.

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. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

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

  2. Chocolate + creamtop 11% of all pairs
    Smell alikemoderate
    Cooked together5,466 recipes

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

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

    Shared aroma: guaiacol (smoky, sweet).

  4. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

  5. Egg + chocolatetop 24% of all pairs
    Smell alikemoderate
    Cooked together11,448 recipes

    Shared aroma: 2-heptenal (green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Egg yolks
Thicken the mixture and add richness as they gently cook.
Sugar
Sweetens the filling and helps give it a smooth, glossy texture.
Chocolate
Provides the main flavour and sets the filling as it cools.
Cream
Adds moisture and fat for a softer, smoother texture.

The step that matters

Cook over low heat, stirring constantly. Egg yolks can scramble if they get too hot or are left unstirred. Gentle, constant stirring keeps the mixture smooth and evenly thickened.

“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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