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Dessert

Sponge Jelly Cake

A light sponge cake flavored with jelly, made from eggs, sugar, flour, baking powder, and boiling water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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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 ↓

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.

Prepare

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

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

  3. In another bowl, mix the egg yolks and sugar until creamy.

Make the batter

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

  2. Stir in the boiling water until well combined.

  3. Gently fold in the beaten egg whites.

Bake and assemble

  1. Pour the batter into jelly tins and bake until golden.

  2. Once cooled, layer with jelly or chocolate frosting between the cakes.

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. 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
Whipped whites trap air for lift, and yolks add richness and a tender crumb.
Sugar
Sweetens the cake and, creamed with the yolks, helps give a light, smooth batter.
Flour
Forms the cake's structure once it sets in the oven.
Baking powder
Releases gas in the batter, making the cake rise and become airy.

The step that matters

Gently fold in the beaten egg whites. The whipped whites hold the air that lifts the sponge. Stirring or pressing them hard knocks out that air, so the cake bakes up dense and flat instead of light.

“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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