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Dessert

Chocolate Filling

A chocolate filling made from grated chocolate, sugar, corn starch, butter, and milk, cooked until custard-like.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Chocolate Filling

Ingredients

Directions

Make the filling

  1. Grate the chocolate and mix it with the sugar.

  2. Dissolve the corn starch in the milk.

  3. Add the butter to the mixture.

  4. Cook on the stove until it thickens like custard.

  5. Remove from heat and beat well until smooth.

Assemble

  1. Spread between the cakes.

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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Corn + milktop 10% of all pairs
    Smell alikemoderate
    Cooked together6,955 recipes

    Shared aroma: hexanal (green, grassy).

  3. Chocolate + sugartop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

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

  5. Corn + buttertop 14% of all pairs
    Smell alikemoderate
    Cooked together7,345 recipes

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

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

What each ingredient does

Corn starch
Thickens the filling as it cooks, giving it a custard-like body.
Chocolate
Provides the main flavour and richness of the filling.
Butter
Adds fat for a smooth, glossy texture and richer mouthfeel.
Sugar
Sweetens the filling and balances the bitterness of the chocolate.
Milk
Forms the liquid base that the corn starch thickens when heated.

The step that matters

Cook until it thickens like custard. Corn starch must be heated with the liquid to swell and gelatinise; undercooking leaves the filling thin and starchy-tasting, while stirring constantly prevents lumps and scorching on the stove.

“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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