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Dessert

Velvet Sponge Cake

A light sponge cake flavored with orange extract, topped with a simple powdered sugar frosting.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. 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. Grease and flour the pan.

Make the batter

  1. In a bowl, beat the eggs and sugar until well combined.

  2. Sift together 1 ½ cups of flour and baking powder, then add to the egg mixture.

  3. Beat well until smooth.

  4. Stir in the boiling water and orange extract.

  5. Pour the batter into the prepared pan and bake until done.

Make the frosting

  1. For frosting, mix powdered sugar with cold water and lemon juice to desired consistency.

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. Orange + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + lemontop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 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 with sugar to trap air, giving the cake its structure and light rise.
Sugar
Sweetens the batter and helps hold air from the beaten eggs for a tender crumb.
Flour
Forms the cake's main structure once mixed with liquid and heated.
Baking powder
Releases gas in the batter to lift the cake as it bakes.
Boiling water
Adds moisture and helps create a soft, tender texture in the batter.

The step that matters

Stir in the boiling water and orange extract. Adding the boiling water after the flour is mixed in keeps the batter smooth and loose. Stirring gently at this point avoids overworking the flour, which would make the cake tough.

Swap the orange

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

  1. Raisinfits better
  2. Vanillafits better
  3. Orangethe original
  4. Blueberryfits about as well

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