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Neapolitan Cake

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 19 ingredients
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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 ↓

Neapolitan Cake

Ingredients

Directions

  1. Cream the butter in a large bowl.

  2. Gradually beat in the sugar.

  3. Alternately mix in the milk and sifted flour with baking powder.

  4. Lastly, beat in the egg whites.

  5. Divide the batter into three parts.

  6. Flavor one part with lemon extract.

  7. Flavor the second part with rose extract and tint it pink.

  8. To the last part, add vanilla, cinnamon, and melted chocolate.

  9. Boil sugar and water for 2-3 minutes, then add vanilla and confectioner's sugar to make a thin paste.

  10. Spread the paste over each layer to hold them together, starting with the chocolate layer on the bottom.

  11. Make boiled frosting with sugar, water, chocolate, and egg white, then spread over the top layer.

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

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

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

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + vanillatop 12% of all pairs
    Smell alikemoderate
    Cooked together19,241 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

Swap the lemon

How well each one fits the dish's main ingredients (butter, sugar, milk, flour, egg, rose, vanilla):

  1. Figfits better
  2. Raisinfits better
  3. Peachfits better
  4. Lemonthe original

Fit is the average pairing score against butter, sugar, milk, flour, egg, rose, vanilla. Candidates are from the same food group and used in at least 100 recipes.

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