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Dessert

Apple Sponge

A sponge cake made with apples, gelatin, sugar, lemon, and beaten egg whites.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Apple and lemon 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

Ingredients

Directions

Make the apple base

  1. Boil the water and sugar in a saucepan until dissolved.

  2. Peel and slice the apples thinly, then add them to the syrup and stew until tender.

  3. Add the gelatine and strain the mixture through a sieve.

Finish and set

  1. Stir in the lemon juice and rind, then beat until cool.

  2. Beat the egg whites until stiff and fold them into the mixture.

  3. Beat everything together until cold.

  4. Pour into a mold and serve with custard.

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. Apple + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together7,551 recipes

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

  2. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

  3. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  4. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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

Apples
Provide the fruit flavour and body of the sponge, softening as they stew.
Gelatine
Sets the mixture so it holds its shape when cold.
White sugar
Sweetens the syrup and helps give the sponge its body.
Egg whites
Whipped to stiff foam, they make the mixture light and airy.
Lemon juice
Adds acidity that brightens the sweetness of the apples and sugar.

The step that matters

Beating the egg whites until stiff. Egg whites must be whipped to stiff peaks and folded in gently so the air they hold is not lost. Under-whipped whites give a dense result, while over-beating makes them grainy and dry.

Swap the apple

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

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

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