Why it works: Flour and sugar 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 ↓
Another, Without Butter
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Dry the flour and sugar together.
Separate the egg yolks and whites; beat them apart.
Grate the lemon zest and add it to the mixture.
Mix and bake
Combine all ingredients and beat with your hand for 1 hour.
Pour the batter into a buttered pan.
Bake in a preheated oven at 400°F (200°C) until golden.
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.
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + lemontop 17% of all pairsSmell alikemoderateCooked together30,404 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + brandytop 17% of all pairsSmell alikemoderateCooked together7,340 recipes
Shared aroma: acetoin (butter, cream).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Flour and egg 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
- Eggs
- Whipped separately, they give the cake its light, airy structure without butter.
- Flour
- Provides the main structure that holds the cake together as it sets.
- Sugar
- Adds sweetness and helps the cake brown as it bakes.
- Lemon zest
- Adds aroma and bright citrus flavour to the cake.
The step that matters
Beating the eggs and batter. Beating the whites and batter well traps air that makes the cake rise and turn light. Under-beating leaves a dense crumb, while the long beating time matters for lift.
Swap the lemon
How well each one fits the dish's main ingredients (flour, sugar, egg, brandy):
- Raisinfits better
- Vanillafits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against flour, sugar, egg, brandy. 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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