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 ↓
Cup 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.
Prepare
Preheat your oven to 350°F (175°C).
Make the batter
Cream the butter and 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 mace or nutmeg and the currants or raisins if using.
Bake
Pour the batter into a greased cake pan and 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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mace + curranttop 12% of all pairsSmell alikelowCooked together1,791 recipes
Shared aroma: alpha-pinene (pine, turpentine).
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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 + curranttop 17% of all pairsSmell alikemoderateCooked together7,856 recipes
Shared aroma: isoamyl acetate (banana, pear).
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
- Creaming with sugar traps air and adds richness and a tender crumb.
- Sugar
- Sweetens the cake and helps trap air when creamed with butter for lift.
- Eggs
- Add structure as they set and help bind the batter together.
- Flour
- Forms the main structure of the cake as its starches set in the oven.
- Royal baking powder
- Releases gas in the batter, causing the cake to rise in the oven.
The step that matters
Adding the eggs one at a time. Beating each egg in fully before the next keeps the emulsion stable. If eggs are added too quickly the batter can curdle and trap less air, leading to a denser cake.
Swap the currant
The recipe marks currant as optional. How well each one fits the dish's main ingredients (butter, sugar, flour, egg, mace):
- Raisinfits better
- Vanillafits better
- Figfits better
- Currantthe original
Fit is the average pairing score against butter, sugar, flour, egg, mace. 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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