Why it works: Flour and butter 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 ↓
Currant 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. The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Preheat the oven to 400°F (200°C).
Make the batter
In a bowl, cream together the butter and sugar.
Add the egg yolks and mix well.
Fold in the flour and currants.
In a separate bowl, beat the egg whites until stiff peaks form.
Gently fold the egg whites into the batter.
Bake
Pour the batter into a greased cake pan.
Bake for about 30-40 minutes or until a toothpick comes out clean.
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 + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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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Butter + curranttop 17% of all pairsSmell alikemoderateCooked together7,856 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Egg whites
- Whipped to stiff peaks and folded in, they trap air and lighten the crumb.
- Butter
- Creamed with sugar to trap air and give the cake richness and a tender texture.
- Flour
- Provides the structure that sets as the cake bakes.
- Egg yolks
- Add richness, moisture and emulsification to the batter.
- Sugar
- Sweetens the cake and helps create a tender crumb when creamed with butter.
- Currants
- Add tart, chewy bursts of fruit flavour throughout the cake.
The step that matters
Folding in the egg whites. Stiff egg whites hold air that makes the cake rise. Folding gently keeps that air in; stirring vigorously deflates the batter and produces a dense, flat cake.
Swap the currant
How well each one fits the dish's main ingredients (flour, sugar, butter, egg):
- Raisinfits better
- Vanillafits better
- Figfits better
- Currantthe original
Fit is the average pairing score against flour, sugar, butter, egg. 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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