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Dessert

Iced Sponges

A light sponge cake flavored with orange or lemon, baked, cooled, cut, and iced with preserves and royal icing.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 ↓

Iced Sponges

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.

Make the batter

  1. In a large bowl, combine the sugar, egg yolks, flour, and essence. Mix vigorously with a spatula for 5 minutes.

  2. Gently fold in the whipped egg whites.

  3. Pour the batter into paper cases, ensuring the cake is about 1 inch thick.

Bake and finish

  1. Bake in a moderate oven at 350°F (175°C) until done.

  2. Once cooled, remove the paper and cut the cake into desired shapes.

  3. Spread preserves on the surface and ice with royal icing.

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. Sugar + orangetop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

    Shared aroma: beta-damascenone (apple, rose).

  4. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

  5. Flour + orangetop 21% of all pairs
    Smell alikemoderate
    Cooked together6,821 recipes

    Shared aroma: isobutyraldehyde (malty, 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

Egg yolks
Add richness and help bind the batter for a tender crumb.
Egg whites
Whipped and folded in, they trap air that lifts the cake as it bakes.
Flour
Provides the structure that holds the sponge once the eggs set.
Sugar
Sweetens the cake and helps stabilise the whipped foam.

The step that matters

Gently fold in the whipped egg whites. Folding gently keeps the air bubbles in the whipped whites intact. Overmixing deflates them, so the sponge bakes up dense instead of light.

Swap the orange

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

  1. Raisinfits better
  2. Vanillafits better
  3. Lemonfits better
  4. Orangethe original

Fit is the average pairing score against sugar, egg, 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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