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Dessert

Old Fashioned Sponge Cake

A light sponge cake made with beaten egg yolks, powdered sugar, lemon juice, and flour, baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓

Old Fashioned 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.

Make the batter

  1. Beat the egg yolks until thick and light.

  2. Gradually add the powdered sugar while beating constantly.

  3. Mix in the lemon juice and grated lemon rind.

  4. In a separate bowl, beat the egg whites until stiff and dry.

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

  6. Sift the flour with salt and fold it into the batter until blended.

Bake

  1. Pour the batter into an unbuttered shallow pan.

  2. Bake for 45 minutes in a moderate oven at 350°F (175°C) or 1 hour in an angel cake pan.

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Lemon + sugartop 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).

Egg and flour barely smell alike, yet cooks put them together in 106,462 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 yolks
Add richness, colour and tenderness to the crumb.
Egg whites
Whipped to stiff foam, they give the cake its light, airy structure.
Powdered sugar
Sweetens the batter and dissolves easily, helping keep the crumb fine.
Flour
Forms the gluten structure that sets the cake's crumb as it bakes.
Lemon juice
Adds acidity that brightens the flavour and helps stabilise the egg foam.

The step that matters

Fold the egg whites into the yolk mixture. Whipped whites hold the cake's air, and overmixing or deflating them makes the sponge dense. Fold gently, just until no white streaks remain.

Swap the lemon

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

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

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