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Dessert

Orange Layer Cake

A layered cake with orange zest and a powdered sugar filling.

From an old cookbook · modernised transcription
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Orange Layer 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, cream together the butter and 2 cups of powdered sugar. Add the eggs one at a time, mixing well after each addition.

  3. Stir in the milk and vanilla extract until fully combined.

  4. Sift together the baking powder and flour, then mix into the batter lightly but thoroughly.

  5. Grease and flour square cake pans, then pour in the batter.

  6. Bake until a toothpick inserted in the center comes out clean.

Make the filling

  1. For the filling, beat the whites of 2 eggs until stiff.

  2. In a saucepan, combine 1 cup of powdered sugar and 2 tablespoons of water, and boil until it threads from the spoon.

  3. Pour the hot sugar syrup into the beaten egg whites while mixing continuously.

  4. Grate the orange rind, remove seeds, and gradually mix it into the egg mixture.

Assemble

  1. Once the cake layers are cool, spread the filling between and on top of the layers.

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. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Vanilla + orangetop 6% of all pairs
    Smell alikemoderate
    Cooked together2,371 recipes

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

  3. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  4. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  5. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
Provide structure and richness to the batter, and whipped whites give the filling its airy body.
Unsalted butter
Creams with sugar to trap air and give the cake a tender, rich texture.
All-purpose flour
Forms the structure of the cake crumb as its proteins set during baking.
Baking powder
Releases gas in the batter so the layers rise and become light.
Powdered sugar
Sweetens the cake and, cooked into syrup, stabilises the filling's whipped egg whites.
Orange
Adds aroma and bright acidity to the filling through its grated rind.

The step that matters

Pouring the hot sugar syrup into the egg whites. The syrup must be at the right boiling stage and poured in a thin stream while mixing constantly. This cooks the whites and sets a stable, glossy meringue; if added too fast or cold, the whites can deflate or stay loose.

Swap the orange

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

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

Fit is the average pairing score against sugar, butter, egg, milk, vanilla, 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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