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Dessert

Sponge Jelly Cake

A light sponge cake flavored with lemon and apple, layered with grated fruit.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Lemon and apple are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 7,551 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Sponge Jelly 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.

Make the batter

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

  2. In a bowl, beat the eggs until fluffy.

  3. Gradually add the sugar and continue to beat until well combined.

  4. Sift together the flour and baking powder, then fold into the egg mixture.

  5. Add the water and mix gently until smooth.

Bake and assemble

  1. Pour the batter into prepared cake pans and bake until golden.

  2. Once cooled, layer the cakes with the grated lemon peel, lemon pulp, and grated apple.

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. Lemon + appletop 14% of all pairs
    Smell alikemoderate
    Cooked together7,551 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Flour + sugartop 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 + lemontop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Sugar + appletop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

    Shared aroma: beta-damascenone (apple, rose).

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 to trap air, giving the cake its light, airy structure.
All-purpose flour
Forms the gluten network that gives the sponge its set structure.
Sugar
Sweetens the cake and helps stabilise the whipped egg foam.
Baking powder
Releases gas in the oven, helping the cake rise and become tender.
Grated apple
Adds moisture and fruity flavour between the cake layers.

The step that matters

Folding in the flour and baking powder. Flour should be sifted and folded gently so the whipped egg foam keeps its air. Stirring hard deflates the batter, which leads to a dense, flat cake.

Swap the apple

How well each one fits the dish's main ingredients (egg, flour, sugar, lemon):

  1. Raisinfits better
  2. Vanillafits better
  3. Orangefits better
  4. Applethe original

Fit is the average pairing score against egg, flour, sugar, lemon. Candidates are from the same food group and used in at least 100 recipes.

“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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