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Dessert

Velvet Sponge Cake

A light sponge cake made with eggs, sugar, flour, baking powder, and boiling water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Velvet Sponge Cake

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the batter

  1. Beat the eggs until light.

  2. Gradually beat in the sugar.

  3. Sift together 1 ½ cups of flour and baking powder.

  4. Add the sifted flour and baking powder to the mixture.

  5. Slowly stir in the boiling water.

Bake

  1. Butter a cake tin and fill it with the batter.

  2. Bake immediately in a well-heated oven at 400°F (200°C).

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

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

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

Eggs
Beaten eggs trap air, giving the cake its light, airy structure.
Sugar
Sugar sweetens the cake and helps stabilise the beaten eggs.
Flour
Flour provides the structure that sets the cake's crumb when baked.
Baking powder
Baking powder releases gas in the wet batter, helping the cake rise.

The step that matters

Bake immediately. Baking powder starts releasing gas as soon as the batter is wet and hot water is added. Delaying the bake lets gas escape, so the cake may rise less and turn out denser. A well-heated oven sets the structure quickly.

“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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