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Dessert

Velvet Sponge Cake

A light 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 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

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

  2. Sift together the flour, sugar, and baking powder.

Make the batter

  1. Add the well-beaten eggs to the dry ingredients.

  2. Gradually mix in the boiling water.

  3. Pour the batter into a buttered cake tin.

Bake

  1. Bake until golden and a toothpick comes out clean.

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
Provide structure and lift when well beaten, helping the sponge hold its air.
Flour
Forms the gluten network and structure that sets the cake's crumb.
Sugar
Sweetens the cake and helps keep the crumb tender and moist.
Baking powder
Releases gas in the batter to make the cake rise and become light.
Boiling water
Adds moisture and helps the starch gelatinize, giving a soft, tender texture.

The step that matters

Gradually mix in the boiling water. Adding the hot water slowly lets the batter absorb it evenly and keeps the batter from deflating. Pouring it in all at once can cause uneven mixing and a denser, less uniform crumb.

“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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