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Dessert

Old Fashioned Sponge Cake

A light sponge cake flavored with lemon, made from beaten egg yolks, whites, sugar, flour, and lemon zest.

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, then gently fold them into the yolk mixture.

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

Bake

  1. Pour the batter into an unbuttered shallow pan or an angel cake pan.

  2. Bake for 45 minutes 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 whites
Beaten to stiffness, they trap air and give the cake its light, airy structure.
Egg yolks
They add richness and tenderness and help bind the batter.
Flour
Its proteins set during baking, giving the cake its final structure.
Powdered sugar
Sweetens the cake and dissolves easily into the beaten yolks for a fine crumb.
Lemon juice
Adds acidity that brightens the flavour and balances the sweetness.

The step that matters

Folding the egg whites into the yolk mixture. Stirring or deflating the whites loses the air they hold, which is what lifts the sponge. Fold gently with a light hand so the batter stays airy and the cake rises well.

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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