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 ↓
Pineapple Cake
Ingredients
Directions
Make the batter
Cream together the butter and sugar.
Add the pineapple juice gradually.
Sift the baking powder into the flour and add half to the mixture along with half of the egg whites. Beat well.
Add the remaining flour and egg whites. Beat until smooth.
Bake the layers
Divide the batter into three layers and bake.
Ice and assemble
Beat the egg whites until half stiff. Gradually add XXX sugar until stiff peaks form.
Spread strained pineapple pulp on the cakes.
Top with the icing.
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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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + pineappletop 17% of all pairsSmell alikemoderateCooked together1,134 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Flour
- Forms the main structure that holds the cake's shape as it bakes.
- Butter
- Creamed with sugar to add tenderness and a rich texture to the crumb.
- Sugar
- Sweetens the cake and, creamed with butter, helps give a tender crumb.
- Egg whites
- Whipped egg whites trap air and add lightness and structure to the batter.
- Baking powder
- Releases gas in the batter, helping the cake rise and turn light.
- Pineapple juice
- Adds moisture and fruity acidity to the batter.
The step that matters
Beat the egg whites with sugar until stiff peaks form. Sugar added gradually stabilizes the whipped foam, so it holds its peaks. Under-beaten whites stay loose, while over-beaten whites turn dry and grainy.
Swap the pineapple
How well each one fits the dish's main ingredients (butter, sugar, egg, flour):
- Raisinfits better
- Vanillafits better
- Figfits better
- Pineapplethe original
Fit is the average pairing score against butter, sugar, egg, flour. 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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