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 ↓
Lemon Cake
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
Break eggs into a clean bowl and add sugar. Beat until stiff batter using a wire whisk.
Add orange-flower water, lemon juice, and lemon rind. Continue beating for 10 minutes.
Remove the whisk, clean it off, and gently mix in sifted flour with a spoon.
Bake
Grease a cake mold with melted butter and dust it with a mixture of flour and sugar.
Pour batter into the mold and tie a paper around the top to prevent overflow.
Bake in a moderate oven at 350°F (175°C) for about 1.5 hours.
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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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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Lemon + buttertop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
Flour and butter barely smell alike, yet cooks put them together in 124,287 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
- Whipped into a stiff foam that gives the cake its light, airy structure.
- Flour
- Sets with the egg structure as the cake bakes, giving it body and holding its shape.
- Castor sugar
- Sweetens the batter and helps stabilise the beaten eggs during whisking.
- Lemon
- Adds acidity and aroma from the juice and rind.
The step that matters
Gently folding in the flour. Flour must be added gently with a spoon so the air trapped in the whipped eggs is not knocked out. Deflated batter bakes up dense and flat.
Swap the orange
How well each one fits the dish's main ingredients (egg, sugar, lemon, flour, butter):
- Raisinfits better
- Vanillafits better
- Figfits about as well
- Orangethe original
Fit is the average pairing score against egg, sugar, lemon, flour, 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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