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Dessert

Lemon Cream Sponge

A light lemon-flavored sponge made with heavy cream, lemon rind, sugar, isinglass, milk, lemon juice, and egg white.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Cream and sugar are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

Lemon Cream Sponge

Ingredients

Directions

Make the cream base

  1. Flavor the cream with the grated lemon rind and sugar.

  2. Place the flavored cream in a warm spot on the stove, but do not let it boil.

  3. Dissolve the isinglass in the milk and add it to the cream mixture.

  4. Let the mixture cool.

Finish and whisk

  1. Add the strained lemon juice and the beaten egg white. Whisk thoroughly.

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. Cream + sugartop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

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

  2. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  3. Cream + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together29,399 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  4. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  5. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

Lemon and sugar 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

Heavy cream
Provides richness and body, whipping into a light, creamy texture.
Isinglass
Acts as a gelatin-like setting agent that firms the mixture as it cools.
Egg white
Whisked in, it traps air to lighten the sponge's texture.
Lemon juice
Adds acidity and bright lemon flavor that balances the sweetness.

The step that matters

Keep the cream from boiling. Heating cream to a boil can cause it to scorch or separate, and too much heat can weaken the isinglass's setting power, so keep it warm but below boiling.

Swap the lemon

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

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

Fit is the average pairing score against cream, sugar, milk, 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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