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Dessert

Rolled Sponge Cake

A light cake made from beaten eggs, sugar, flour, and flavoring, baked and rolled while warm.

From an old cookbook · modernised transcription
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Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓

Rolled Sponge 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

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

  2. Separate the egg whites and yolks.

Make the batter

  1. Beat the egg whites until stiff peaks form.

  2. In another bowl, beat the egg yolks with sugar until light and fluffy.

  3. Gently fold the flour into the yolk mixture.

  4. Carefully fold in the beaten egg whites.

  5. Add flavoring to taste.

Bake and roll

  1. Pour the batter into a greased baking sheet and spread evenly.

  2. Bake for 10-15 minutes or until golden.

  3. Remove from the oven and roll the cake while warm.

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. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  2. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

Flour and egg barely smell alike, yet cooks put them together in 106,462 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
Whites trap air for lift, and yolks add richness and structure to the batter.
Sugar
Beaten with the yolks to create a light, fluffy base and add sweetness.
Flour
Provides the structure that holds the cake together once baked.

The step that matters

Carefully fold in the beaten egg whites. Folding gently preserves the air whipped into the whites. Stirring or deflating them makes the sponge dense and flat, so the cake loses the lift that makes it roll without cracking.

“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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