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Dessert

Ideal Sponge Cake

A light, airy cake made with eggs, sugar, flour, baking powder, hot water, and lemon rind.

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 ↓

Ideal Sponge Cake

Ingredients

Directions

Make the batter

  1. In a bowl, cream together the sugar and the yolks of the eggs.

  2. Sift the flour and baking powder together four times, then add to the mixture.

  3. Stir in the hot water until smooth and velvet-like.

Fold and flavor

  1. Gently fold in the stiffly beaten egg whites.

  2. Add the grated lemon rind for flavor.

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
Yolks add richness and whites, beaten stiff, trap air that lifts the cake.
Flour
Provides the structure that holds the cake's crumb as it bakes.
Sugar
Creaming with the yolks adds sweetness and helps give a tender crumb.
Baking powder
Releases gas during baking so the cake rises.
Hot water
Adds moisture and helps the batter become smooth and loose.

The step that matters

Gently fold in the stiffly beaten egg whites. Egg whites hold air bubbles that make the cake light. Stirring vigorously or overmixing knocks out that air, so the cake bakes up dense instead of airy.

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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