Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Composition 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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Make the batter
Preheat the oven to 350°F (175°C).
Cream the butter and brown sugar together until light and fluffy.
Add the eggs one at a time, mixing well after each addition.
Sift together the flour and baking powder, then gradually add to the mixture.
Stir in the currants and milk until well combined.
Add spice to taste.
Bake
Pour the batter into a greased baking pan and bake for about 1 hour 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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 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).
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
- Butter
- Creamed with sugar to trap air, giving a tender, rich crumb.
- Eggs
- Bind the batter and add structure and richness as the cake sets.
- Flour
- Forms the main structure of the cake as its proteins set in the oven.
- Baking powder
- Releases gas during baking, helping the cake rise and become light.
- Brown sugar
- Sweetens the cake and adds moisture and a caramel-like flavor.
- Currants
- Add tart, chewy bursts of fruit flavor throughout the cake.
The step that matters
Adding the eggs one at a time. Beating each egg in fully before the next keeps the emulsion stable. If the batter curdles, it can bake up dense and greasy instead of smooth and even.
Swap the currant
How well each one fits the dish's main ingredients (butter, sugar, flour, egg, milk):
- Vanillafits better
- Raisinfits better
- Figfits better
- Currantthe original
Fit is the average pairing score against butter, sugar, flour, egg, milk. 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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