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Dessert

Chocolate Layer Cake

A chocolate cake with chocolate icing between layers.

From an old cookbook · modernised transcription
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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 Layer 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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare the batter

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

  2. Cream together the sugar and butter until light and fluffy.

  3. Add the eggs one at a time, mixing well after each addition.

  4. Stir in the milk and mix until combined.

  5. Sift together the flour and baking powder, then add to the wet mixture.

  6. Melt the chocolate and fold it into the batter.

Bake and ice

  1. Pour the batter into greased cake pans and bake for 25-30 minutes.

  2. For the icing, melt the chocolate and mix with sugar, butter, and milk until smooth.

  3. Spread the icing between the layers and on top of 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: guaiacol (smoky, sweet).

  4. Milk + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together9,128 recipes

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

  5. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Butter
Creams with sugar to trap air, giving the cake a light, tender crumb and rich flavor.
Eggs
Add structure and richness, helping the batter set as it bakes.
Flour
Provides the structure that holds the cake together as it bakes.
Baking powder
Releases gas during baking so the cake rises and becomes airy.
Cake chocolate
Adds chocolate flavor and richness to both the batter and the icing.

The step that matters

Creaming the sugar and butter. Beating until light and fluffy traps air in the fat, which helps the cake rise and gives it a fine, tender texture. Under-creaming leaves a denser cake.

“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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