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Dessert

Sponge Jelly Cake

A light sponge cake layered with jelly or chocolate frosting.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Sugar and chocolate are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 15,404 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

Sponge Jelly Cake

Oven, in the book's wordsA quick oven

Ingredients

Directions

The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure. The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

  1. Preheat the oven to 400°F (200°C).

  2. In a bowl, beat the egg whites until stiff peaks form and set aside.

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

Make the batter

  1. Sift the flour and baking powder together, then gradually add to the egg yolk mixture.

  2. Stir in the boiling water until well combined.

  3. Gently fold in the beaten egg whites until no streaks remain.

Bake and fill

  1. Pour the batter into jelly tins and bake for 15-20 minutes or until golden.

  2. Let cool, then spread jelly or chocolate frosting between the layers.

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 + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

  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. Flour + chocolatetop 18% of all pairs
    Smell alikelow
    Cooked together8,994 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Egg and flour 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, while yolks add richness and structure to the crumb.
Sugar
Sweetens the batter and helps the yolks become light and fluffy when beaten.
All-purpose flour
Provides the starch and gluten that build the cake's structure.
Baking powder
Releases gas in the batter, helping the cake rise and become airy.
Boiling water
Adds moisture and loosens the batter so it bakes into a tender cake.

The step that matters

Folding in the beaten egg whites. Stir gently and only until no streaks remain. Overmixing knocks out the air trapped in the whites, which is the main source of rise, so the cake turns out flat and dense.

“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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