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Dessert

Chocolate Cake

A layered chocolate cake with a chocolate filling.

From an old cookbook · modernised transcription
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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 Cake

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the cake layers

  1. Preheat the oven to 350°F (175°C).

  2. In a bowl, cream together the sugar and butter.

  3. Add the milk and eggs, mixing well.

  4. Stir in the baking powder and flour until combined.

  5. Pour the batter into thin layers in prepared pans and bake until golden.

Make the filling

  1. For the filling, combine the grated chocolate, sweet milk, sugar, egg yolk, and vanilla in a pan over boiling water.

  2. Cook until thickened like jelly, then let cool.

Assemble

  1. Spread the filling between the baked layers.

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

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

  4. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Flour
Provides the structure that holds the cake's crumb together as it bakes.
Eggs
Add structure and richness, helping the batter set as it bakes.
Butter
Adds fat and tenderness, and helps trap air when creamed with sugar.
Sugar
Sweetens the cake and helps tenderize the crumb while creaming.
Baking powder
Releases gas during baking so the layers rise.
Sweet chocolate
Provides the chocolate flavor and body of the filling.

The step that matters

Cook the filling until thickened. The egg yolk must be heated gently over simmering water so it thickens the mixture without scrambling. Stop cooking once it is jelly-like, since it firms further as it cools.

“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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