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Dessert

Harlequin Cake

A layered cake with vanilla, chocolate, and strawberry flavors, topped with thick boiled frosting.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Vanilla and strawberry are a kitchen classic. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,385 recipes. Both carry p-vinylguaiacol, which smells spicy, fruity. The science ↓

Harlequin Cake

Oven, in the book's wordsA moderately hot oven

Ingredients

Directions

The book says “a moderately hot oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Make the batter

  1. Cream together the butter and sugar.

  2. Beat in the whipped eggs, milk, and baking powder.

  3. Add enough flour to form a batter that ribbons from the spoon.

  4. Divide the batter into three parts.

  5. Flavor one part with vanilla extract, another with dissolved chocolate, and the last with strawberry syrup and pink dye.

Bake and finish

  1. Grease and flour an oblong cake tin.

  2. Pour the three batters into the tin in layers.

  3. Bake in a 350°F (175°C) oven for about 35 minutes.

  4. Ice with thick boiled frosting when cold and decorate with holly.

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. Vanilla + strawberrytop 1% of all pairs
    Smell alikemoderate
    Cooked together1,385 recipes

    Shared aroma: p-vinylguaiacol (spicy, fruity).

  2. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  3. Vanilla + chocolatetop 5% of all pairs
    Smell alikemoderate
    Cooked together10,020 recipes

    Shared aroma: sotolon (curry, maple).

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

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

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

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

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

Butter
Creams with sugar to trap air and give the cake a tender, rich crumb.
Sugar
Sweetens the cake and helps the creamed butter hold air for lightness.
Eggs
Whipped to stiff froth, they add structure and lift to the batter.
Baking powder
Releases gas in the batter, helping the cake rise and become light.
Flour
Forms the batter's structure, setting as it bakes into a firm crumb.

The step that matters

Adding flour to form a batter that ribbons from the spoon. Too much flour makes the cake dense and dry, while too little leaves it weak and unable to hold the layers. The batter should be thick enough to ribbon but still pourable, so the layers bake cleanly.

Swap the strawberry

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

  1. Coconutfits better
  2. Figfits better
  3. Raisinfits about as well
  4. Strawberrythe original

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

“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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