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 ↓
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.
Make the batter
Cream together the sugar and egg yolks until smooth.
Sift in the baking powder and flour, mixing well.
Add the orange rind and juice, and mix until combined.
In a separate bowl, beat the egg whites until stiff peaks form.
Fold the egg whites into the batter gently.
Add the water and mix until just combined.
Bake and finish
Pour the batter into a greased cake pan and bake at 350°F (175°C) until a toothpick comes out clean.
Once baked, cover with orange icing.
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.
Photo for illustrative purposes only · Contact us to use it
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.
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + orangetop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
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Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
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Flour + orangetop 21% of all pairsSmell alikemoderateCooked 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 whites
- Whipped to stiff peaks, they trap air that lifts the cake as it bakes.
- Egg yolks
- Add richness and tenderness, and help emulsify the batter with the sugar.
- Baking powder
- Releases gas during baking, helping the cake rise and become light.
- Flour
- Provides the structure that sets the cake as the proteins cook.
- Sugar
- Sweetens the cake and helps create a soft, tender crumb.
- Orange
- Adds bright citrus aroma and flavor from the rind, plus moisture from the juice.
The step that matters
Folding in the egg whites. Whipped egg whites hold the air that lightens the cake. Stirring them vigorously deflates the foam, leaving a dense, flat cake, so fold gently until no white streaks remain.
Swap the orange
How well each one fits the dish's main ingredients (sugar, egg, flour):
- Raisinfits better
- Vanillafits better
- Lemonfits better
- 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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