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Dessert

Chocolate Roll

A rolled chocolate cake with whipped cream filling and a butter icing sauce.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Cocoa and vanilla work together. They rank in the top 4% of all ingredient pairs, and cooks put them together in 357 recipes. Both carry sotolon, which smells curry, maple. The science ↓

Chocolate Roll

Oven, in the book's wordsA moderate oven

Ingredients

Directions

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

Make the sponge

  1. Beat the egg yolks with a fork, then add cocoa and sugar and mix well.

  2. Beat the egg whites until stiff and fold them into the yolk mixture.

  3. Bake in a flat pan for 20 minutes at 350°F (175°C).

Roll and fill

  1. Turn out the cake while hot onto a damp cloth.

  2. When nearly cool, spread with whipped cream flavored with vanilla and sugar.

  3. Roll up the cake.

Make the sauce and serve

  1. For the sauce, combine butter, powdered icing sugar, and egg in a bowl over steam just before serving.

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. Cocoa + vanillatop 4% of all pairs
    Smell alikemoderate
    Cooked together357 recipes

    Shared aroma: sotolon (curry, maple).

  2. Cream + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

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

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

  4. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

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

  5. Vanilla + buttertop 14% of all pairs
    Smell alikemoderate
    Cooked together20,050 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

Eggs
Whipped whites give the sponge its light, airy structure.
Cocoa
Adds chocolate flavor and color to the sponge.
Sugar
Sweetens the sponge and helps the whites hold their structure.
Whipped cream
Adds moisture and a soft, creamy filling that contrasts the cake.
Butter
Adds richness and fat to the sauce, giving it a smooth texture.

The step that matters

Turn out the cake while hot onto a damp cloth. A hot sponge is soft and flexible, so it can be rolled without cracking. Letting it cool in the pan makes it stiff and prone to breaking.

Swap the cocoa

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

  1. Almondfits better
  2. Chestnutfits better
  3. Pecansfits better
  4. Cocoathe original

Fit is the average pairing score against egg, sugar, cream, vanilla, butter. 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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