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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.

Prepare

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

  2. Beat the egg whites and yolks separately until fluffy.

  3. Combine the sugar, flour, and baking powder in a bowl.

Make and bake the batter

  1. Add the egg yolks and boiling water to the dry ingredients and mix well.

  2. Gently fold in the beaten egg whites.

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

Assemble

  1. Once cooled, 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
Whipped whites trap air for lift, and yolks add richness and structure to the sponge.
All-purpose flour
Provides the starch and gluten network that sets the crumb once baked.
Sugar
Sweetens the batter and helps keep the sponge tender and golden as it browns.
Baking powder
Releases gas during baking, helping the cake rise and become light.
Boiling water
Adds moisture and helps the batter spread and bake into a soft, tender crumb.

The step that matters

Folding in the beaten egg whites. Overmixing or deflating the whipped whites releases the air that gives the sponge its lift, leaving a dense cake. Fold gently, just until no white streaks remain.

“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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