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, or Gold-cake
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 400°F (200°C).
Cream the butter and mix in a little more than half the sugar and the grated orange rind until light.
Beat the egg yolks to a thick foam, then add the remaining sugar and beat until light.
Mix the orange and lemon juice together.
Make the batter
Combine the creamed butter and sugar with the flour in a large bowl.
Pour the egg mixture over the flour and beat everything together.
As you finish beating, add the orange and lemon juice and mix until effervescent.
Bake
Fill the pans two-thirds full and bake, watching closely until done.
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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Orange + lemontop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Butter + flourtop 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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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
Butter and flour 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
- Yolks add richness and structure as they set in the baked crumb.
- Butter
- Creamed with sugar, it traps air and gives the cake a tender texture and fat-based richness.
- Fine granulated sugar
- Sweetens the cake and, creamed with butter, helps hold air for a light crumb.
- Flour
- Provides the structure that sets the cake as it bakes.
- Baking soda
- Reacts with the acidic citrus juices to produce gas that helps the cake rise.
The step that matters
Adding the citrus juice at the end of beating. Baking soda reacts with the acidic orange and lemon juice to release gas. Adding the juice last and mixing only until effervescent keeps that gas in the batter, so the cake rises well rather than losing its lift before baking.
Swap the orange
How well each one fits the dish's main ingredients (sugar, butter, flour, egg, lemon):
- Raisinfits better
- Vanillafits better
- Figfits about as well
- Orangethe original
Fit is the average pairing score against sugar, butter, flour, egg, lemon. 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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