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Dessert

Raspberry Sponge

A light sponge cake flavored with raspberries and lemon, set with gelatin and topped with whipped cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Gelatin and cream match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 1,628 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓

Raspberry Sponge

Ingredients

Directions

Make the syrup and meringue

  1. Cook sugar and water in a saucepan until it spins a thread.

  2. Gradually add the beaten egg whites, beating until smooth, then set aside to cool.

Prepare the raspberry base

  1. Mash raspberries and strain through a sieve to measure one cup.

  2. Soak gelatin in cold water, then dissolve it in hot water.

  3. Add dissolved gelatin and lemon juice to the mashed raspberries and chill until it thickens.

Assemble and serve

  1. Fold the raspberry mixture into the beaten egg whites by spoonfuls.

  2. Pour into a mold and set on ice.

  3. Serve with whipped cream and garnish with whole berries.

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. Gelatin + creamtop 7% of all pairs
    Smell alikestrong
    Cooked together1,628 recipes

    Shared aroma: acetic acid (sour, vinegar).

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

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

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

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

  5. Egg + lemontop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

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

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

Egg whites
Whipped into a foam that gives the dessert its light, airy structure.
Gelatin
Sets the raspberry mixture so the dessert holds its shape when unmolded.
Sugar
Sweetens the dessert and, cooked to a syrup, helps stabilise the whipped structure.
Raspberries
Provide the main fruit flavour and moisture to the dessert.
Lemon juice
Adds acidity that brightens the raspberry flavour.

The step that matters

Folding the raspberry mixture into the egg whites. Folding by spoonfuls gently combines the mixture without deflating the whipped egg whites. Stirring vigorously knocks out air, and the sponge loses its light texture. The raspberry mixture should be thickened but still pourable so it blends evenly.

Swap the lemon

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

  1. Vanillafits better
  2. Strawberryfits better
  3. Raisinfits better
  4. Lemonthe original

Fit is the average pairing score against sugar, egg, gelatin, cream. 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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