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Dessert

Orange Sponge Cake

A light sponge cake flavored with orange juice, lemon juice, and orange rind.

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 ↓

Orange Sponge Cake

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the batter

  1. Preheat the oven to 350°F (175°C).

  2. Beat the egg yolks, orange juice, lemon juice, and grated orange rind until light.

  3. Add the sugar and flour mixed with salt, baking soda, and baking powder, and beat well.

  4. Fold in the stiffly beaten egg whites.

Bake and finish

  1. Pour the batter into a buttered pan.

  2. Bake for about 40 minutes, or in small buttered pans for 15 to 20 minutes.

  3. Once baked, roll in powdered sugar.

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. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Lemon + sugartop 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
Whites trapped by folding provide the airy structure that lifts the sponge.
Pastry flour
Provides the starch framework that sets the crumb once baked.
Sugar
Sweetens the cake and helps keep the crumb tender and moist.
Baking soda
Reacts with the acidic citrus juices to produce gas that helps the cake rise.
Baking powder
Adds additional leavening so the batter rises during baking.
Orange juice
Adds moisture and bright citrus acidity that balances the sweetness.

The step that matters

Folding in the egg whites. Stiffly beaten whites hold the air that makes the sponge light. Overmixing or stirring vigorously deflates them, so the batter should be folded gently until just combined.

Swap the orange

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

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

Fit is the average pairing score against egg, lemon, 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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