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Dessert

A Good Sponge Cake

A lemon sponge cake made with eggs, sugar, flour, and lemon rind.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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A Good Sponge Cake

Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

A Good Sponge Cake

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Grate the rind of the lemon and crush the sugar lumps to powder.

  2. Measure the sugar to equal the weight of the eggs in their shells.

Make the batter

  1. Break the eggs one by one, separating the whites from the yolks.

  2. Beat the yolks in a large bowl for 10 minutes, gradually adding the sugar.

  3. Whisk the egg whites until they form a solid froth.

  4. Gently fold the egg whites into the yolk mixture.

  5. Sift and stir in the flour without beating.

Bake

  1. Pour the batter into a well-buttered mold.

  2. Bake in a preheated oven at 350°F (175°C) for 1 hour and 15 minutes.

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.

Photo for illustrative purposes only · Contact us to use it

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Lemon + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

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

  5. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Eggs
Whipped whites and yolks trap air, giving the cake its light, airy structure.
Sugar
Sweetens the cake and helps stabilise the beaten egg yolks and whites.
Flour
Provides the starch that sets during baking and gives the cake its body.
Lemon rind
Adds fragrant citrus aroma and flavour to the sponge.

The step that matters

Folding in the egg whites. Whites hold the air that makes the sponge rise. Folding gently keeps that air in, while beating deflates it and yields a dense cake.

Swap the lemon

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

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

Fit is the average pairing score against egg, sugar, flour, butter. 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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