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 Cake
Ingredients
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 400°F (200°C).
Beat the egg whites to stiff peaks.
Gradually add the powdered sugar, orange rind, pulp, and juices, mixing until smooth.
Butter three jelly-cake tins.
Bake the layers
Fill each tin with batter to a thickness of ¼ inch.
Bake the cakes in the hot oven, watching closely until done, about a few minutes.
Turn the baked cakes upside down onto brown paper to cool.
Wash the pans.
Butter the pans.
Refill the pans with batter.
Return the pans to the oven.
Spread icing on each layer as they bake, stacking them as you go.
Finish and serve
Trim the edges of the cakes with a sharp knife before icing the top and sides.
Allow the icing to set for about 15 minutes before serving.
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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Orange + lemontop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Lemon + buttertop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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 give the batter its light, airy structure.
- Powdered sugar
- Sweetens the batter and dissolves smoothly into the whipped whites.
- Sour oranges
- Supply the main citrus flavour, aroma, and acidity from rind, pulp, and juice.
- Lemon juice
- Adds extra acidity that brightens the orange flavour.
The step that matters
Watching the bake closely. Thin layers of this light, egg-white batter can over-brown or dry out quickly, so checking them early keeps the cakes moist and evenly coloured.
Swap the orange
How well each one fits the dish's main ingredients (egg, sugar, lemon, butter):
- Vanillafits about as well
- Orangethe original
- Raspberryfits about as well
- Figfits about as well
Fit is the average pairing score against egg, sugar, lemon, butter. 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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