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Dessert

Apple Sponge

A gelatin dessert made with apples, sugar, water, gelatin, lemon juice, and egg whites.

From an old cookbook · modernised transcription
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Why it works: Sugar and gelatin are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,778 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Apple Sponge

Ingredients

Directions

Make the apple base

  1. Boil sugar in water until clear.

  2. Pare, core, and slice apples into the syrup.

  3. Stew the apples until tender.

  4. Soak gelatin in cold water while apples cook.

  5. Stir gelatin and rub through a sieve.

  6. Add lemon juice and grated rind.

  7. Stir until cold.

Whip and set

  1. Beat egg whites until stiff.

  2. Stir the mixture into the egg whites and beat until cold and thick.

  3. Pour into a mold to harden.

Serve

  1. Serve on a dish with Sabayon sauce made from the egg yolks.

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 + gelatintop 7% of all pairs
    Smell alikemoderate
    Cooked together2,778 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

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

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

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

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

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

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

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

Sugar and apple 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

Gelatin
Sets the mixture so it holds its shape when cold.
Egg whites
Whipped to foam, they lighten the mixture and give the sponge its airy texture.
Apples
Provide the fruit body and flavour of the sponge once stewed and pureed.
Sugar
Sweetens the syrup and balances the sharpness of the lemon and apple.
Lemon juice
Adds acidity that brightens the flavour of the apples and sugar.

The step that matters

Beating the egg whites into the mixture until cold and thick. Egg whites must be stiff but the fruit mixture must be cold enough not to deflate them or cook them. Folding into a warm mixture makes the foam collapse and the sponge loses its lightness.

Swap the apple

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

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

Fit is the average pairing score against sugar, gelatin, 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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