Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. 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
Preheat the oven to 350°F (175°C).
Cream the butter and sugar together.
Add the beaten egg yolks, salt, and grated orange rind.
Mix in the orange juice and sifted flour with baking powder.
Fold in the stiffly whipped egg whites.
Bake and finish
Pour the batter into a loaf pan and bake until golden.
Once cool, spread with orange frosting.
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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
-
Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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
- Whipped whites and beaten yolks give the cake lift and a tender, rich structure.
- Butter
- Creamed with sugar, it traps air and adds richness and a soft crumb.
- Flour
- Provides the structure that holds the cake together as it bakes.
- Sugar
- Creamed with butter to aerate the batter and add sweetness and gentle browning.
- Baking powder
- Releases gas in the batter, helping the cake rise in the oven.
- Orange juice
- Adds moisture and bright acidity that complements the orange rind.
The step that matters
Folding in the egg whites. Whipped whites hold the air that lifts the cake. Stirring them vigorously deflates the foam, so fold gently and just until no white streaks remain to keep the crumb light.
Swap the orange
How well each one fits the dish's main ingredients (butter, flour, egg, sugar):
- Raisinfits better
- Vanillafits better
- Figfits better
- Orangethe original
Fit is the average pairing score against butter, flour, egg, sugar. 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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