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Dessert

Velvet Sponge Cake

A light sponge cake flavored with lemon, made with two types of flour and boiling water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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

Oven, in the book's wordsA moderate oven

Ingredients

Directions

Make the batter

  1. Beat the eggs until very light.

  2. Add the sugar and beat again.

  3. Mix in the lemon extract.

  4. Gradually add the first ½ cup of flour while beating steadily.

  5. Stir in the second ½ cup of flour mixed with baking powder.

  6. Finally, stir in the boiling water.

Bake

  1. Bake in layers or as a loaf cake.

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. Sugar + lemontop 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

Eggs
Beaten until light, they trap air that gives the cake its lift and airy crumb.
Sugar
Beaten with the eggs, it sweetens the cake and helps stabilize the foam.
All-purpose flour
Provides the structure that holds the cake together as the batter sets in the oven.
Baking powder
Releases gas during baking, helping the cake rise and become light.
Boiling water
Added last, it adds moisture and helps create a tender, soft texture.

The step that matters

Stir in the boiling water. Adding the boiling water last and stirring gently keeps the batter light. Overmixing after the flour develops gluten and can make the cake tough and dense.

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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