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Dessert

Confederate Sponge Cake

A sponge cake made with sugar, flour, water, eggs, baking powder, and lemon flavoring.

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 ↓

Confederate Sponge Cake

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the batter

  1. Preheat the oven to 400°F (200°C).

  2. Beat the egg whites until stiff.

  3. In a separate bowl, mix the egg yolks and sugar until well combined.

  4. Add the cold water to the yolk mixture.

  5. Gradually fold in the beaten egg whites.

  6. Sift the baking powder with the flour and gently fold it into the mixture.

Bake

  1. Pour the batter into a buttered mold.

  2. Bake for about 1 hour, covering with buttered paper if the top browns too quickly.

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. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + lemontop 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).

Flour and egg 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
Whipped whites and yolks trap air, giving the cake its light, airy structure.
Flour
Provides the starch and gluten that set the cake's structure as it bakes.
White sugar
Sweetens the cake and helps stabilize the yolks and whipped whites.
Baking powder
Releases gas during baking so the batter rises and becomes tender.
Cold water
Adds moisture that turns to steam in the oven, helping the cake rise and stay soft.

The step that matters

Folding in the beaten egg whites. Stirring instead of folding deflates the whipped whites and removes the trapped air that gives sponge cake its lift. Fold gently, with a light hand, until just combined.

Swap the lemon

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

  1. Raisinfits better
  2. Vanillafits better
  3. Lemonthe original
  4. Figfits about as well

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