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Dessert

Orange-cake

A light cake made with sugar, flour, water or milk, egg yolks, baking powder, orange rind, and topped with an egg white icing.

From an old cookbook · modernised transcription
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Why it works: Flour and milk are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Orange-cake

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.

Prepare the batter

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

  2. In a bowl, mix sugar, flour, water or milk, egg yolks, baking powder, and grated orange rind until smooth.

  3. In another bowl, beat the egg whites until stiff peaks form, then gently fold into the batter.

Bake and ice

  1. Pour the batter into jelly‑cake tins and bake until golden.

  2. For the icing, beat 2 egg whites until stiff, then gradually add powdered sugar and orange juice until smooth.

  3. Spread the icing between the layers and on top of the 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. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Milk + orangetop 15% of all pairs
    Smell alikemoderate
    Cooked together4,696 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  5. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

Flour and milk barely smell alike, yet cooks put them together in 78,219 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 whites
Whipped to stiff peaks, they lighten the batter and give the cake its rise and airy crumb.
Egg yolks
Add richness and tenderness, and help bind the batter into a smooth, set crumb.
Flour
Provides the structure that holds the cake together as it bakes.
Sugar
Sweetens the cake and helps it brown as it bakes.
Baking powder
Releases gas during baking, helping the cake rise.
Powdered sugar
Dissolves into the whipped egg whites to form a smooth, sweet icing.

The step that matters

Folding in the egg whites. Whipped egg whites hold air that gives the cake its lift. Stirring them in vigorously knocks out that air, while gentle folding keeps the batter light and the cake from turning dense.

Swap the orange

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

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

Fit is the average pairing score against sugar, flour, milk, 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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