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Dessert

Grape Sponge

A chilled grape-flavored sponge made with gelatin, grape juice, sugar, lemon, and beaten egg whites.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Grape and lemon are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 2,412 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Grape Sponge

Ingredients

Directions

Prepare the gelatin

  1. Soak the gelatin in cold water.

  2. Dissolve the gelatin by placing the dish in hot water.

Make the mixture

  1. Dissolve the sugar in the grape juice and strain the gelatin into the mixture.

  2. Set the mixture in ice water and stir occasionally until it begins to thicken.

Whip and serve

  1. Gradually add the beaten egg whites and beat until light and stiff enough to hold its shape.

  2. Pile lightly in a glass serving dish and serve very cold with sweetened whipped cream.

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. Grape + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together2,412 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

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

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

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

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

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

  5. Grape + sugartop 23% of all pairs
    Smell alikelow
    Cooked together7,490 recipes

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

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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

Gelatine
Sets the juice mixture into a light, wobbly structure as it cools.
Egg whites
Whipped into foam, they lighten the mixture and give the sponge its airy texture.
Sugar
Sweetens the grape juice and helps balance its tartness.
Grape juice
Provides the main liquid and the grape flavour of the dessert.
Lemon juice
Adds acidity that brightens the sweetness and flavour of the grape juice.

The step that matters

Add the egg whites to the thickened mixture. The mixture must be thick but still pourable and cool so the egg whites can be folded in and hold their foam. If it is too warm, the foam deflates; if it has set too firm, it will not blend smoothly.

Swap the grape

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

  1. Orangefits better
  2. Vanillafits better
  3. Limefits better
  4. Grapethe 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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