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Dessert

Apple Sponge

A light cake made with eggs, sugar, flour, baking powder, apples, and lemon flavoring.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Apple Sponge

Oven, in the book's wordsA quick oven

Ingredients

Directions

The book says “a quick oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Make the batter

  1. Beat the yolks of the eggs with powdered sugar and lemon flavoring for about 10 minutes.

  2. Add the beaten egg whites to the mixture.

  3. Peel and slice the apples thinly.

  4. Sift the flour with baking powder and mix it with the apple mixture.

Bake and serve

  1. Pour into a buttered baking pan and bake at 350°F (175°C) for 30 minutes.

  2. Sprinkle with powdered sugar and serve.

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. 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. Lemon + flourtop 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
Egg whites and yolks trap air and set the cake's light, sponge-like structure.
Flour
Provides structure so the cake holds its shape once the eggs set.
Baking powder
Releases gas during baking, helping the cake rise and stay airy.
Apples
Add moisture and fruity flavor to the cake's crumb.
Powdered sugar
Sweetens the batter and helps stabilize the beaten yolks.

The step that matters

Folding the egg whites into the batter. Whites hold the air that makes a sponge rise. Stirring them in too vigorously deflates the foam, so the cake bakes dense rather than light.

Swap the apple

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

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

Fit is the average pairing score against egg, sugar, lemon, flour. 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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