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Dessert

Candied Lemon Sponge

A light sponge cake flavored with lemon juice and zest, sweetened with a sugar syrup.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and cream 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 ↓

Candied Lemon Sponge

Ingredients

Directions

Make the syrup

  1. Combine sugar and water in a saucepan.

  2. Heat until sugar dissolves.

  3. Add lemon juice and zest, stirring well.

Make the cake

  1. Whip egg whites with cream of tartar until stiff peaks form.

  2. Gradually fold the sugar mixture into the egg whites.

  3. Pour into a greased dish and let it set until firm.

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

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

  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. Egg + creamtop 24% of all pairs
    Smell alikelow
    Cooked together42,166 recipes

    Shared aroma: acetic acid (sour, vinegar).

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 cake its airy, set structure.
Cream of tartar
Stabilizes the whipped egg whites so the foam holds its peaks.
Sugar
Sweetens the cake and helps stabilize the foam while dissolving into the syrup.

The step that matters

Folding the sugar mixture into the egg whites. Adding the syrup too quickly or stirring vigorously deflates the whipped foam, which loses the air that gives the sponge its lightness. Fold gently and gradually to keep as much air as possible.

Swap the lemon

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

  1. Vanillafits better
  2. Raisinfits better
  3. Strawberryfits about as well
  4. Lemonthe original

Fit is the average pairing score against sugar, egg, 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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