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Dessert

Velvet Sponge Cake

A light sponge cake with a sugar icing.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Velvet Sponge Cake

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the batter

  1. Preheat your oven to 350°F (175°C).

  2. In a large bowl, beat the eggs and sugar together for 20 minutes.

  3. Add the flour and baking powder, mixing until combined.

  4. Stir in the boiling water and vanilla extract until smooth.

Bake the cake

  1. Pour the batter into a greased cake pan and bake until a toothpick comes out clean.

Make the icing

  1. For the icing, beat the egg whites until stiff peaks form.

  2. In a saucepan, boil the sugar until it reaches a rope-like consistency.

  3. Pour the hot sugar over the egg whites and beat until creamy.

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 + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

  2. Flour + vanillatop 12% of all pairs
    Smell alikemoderate
    Cooked together19,241 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
Beaten with sugar, they trap air that gives the sponge its lift and structure.
Granulated sugar
Sweetens the cake and, when beaten with eggs, helps stabilise the air bubbles.
All-purpose flour
Builds the cake's structure as its proteins set during baking.
Baking powder
Releases gas in the batter, causing the cake to rise in the oven.
Boiling water
Adds moisture and helps the batter turn smooth and tender.

The step that matters

Beating the eggs and sugar for 20 minutes. The air beaten into the eggs and sugar forms the foam that lifts the cake. If the mixture is under-beaten, the sponge will be dense and may collapse or rise poorly.

Swap the vanilla

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

  1. Raisinfits better
  2. Vanillathe original
  3. Lemonfits less well
  4. Figfits less 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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