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Dessert

Sponge Cake Roll

A rolled sponge cake made from eggs, sugar, flour, baking powder, sweet milk, and topped with jelly or icing.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Flour and milk are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Sponge Cake Roll

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.

Prepare

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

  2. Beat the yolks and whites of the eggs separately.

  3. Sift the sugar and flour together.

Make the batter

  1. Add the sweet milk to the sugar before mixing in the eggs.

  2. Stir the mixture well.

  3. Pour the batter into a long, narrow, shallow pan.

Bake and roll

  1. Bake until golden.

  2. While warm, spread with jelly or icing and roll up.

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. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

  5. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

Flour and milk barely smell alike, yet cooks put them together in 78,219 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 separately, they give the sponge its light, airy structure.
All-purpose flour
Provides the starch and gluten that set the cake's structure as it bakes.
Sugar
Sweetens the cake and helps the batter hold air when beaten with the eggs.
Baking powder
Releases gas during baking so the sponge rises and stays tender.

The step that matters

Rolling while warm. A warm sponge is pliable, so it bends without cracking. Once it cools, the crumb stiffens and tears when rolled, so the filling must go on while it is still warm.

“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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