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
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.
Prepare
Preheat the oven to 350°F (175°C).
Prepare two cake molds.
Peel and grate the pineapple.
Make the batter
Cream the butter and powdered sugar together.
Add the egg yolks and grated pineapple to the mixture.
Sift the salt, baking powder, and flour together.
Quickly beat the flour into the batter.
Bake
Pour the batter into the prepared molds.
Bake until golden brown.
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
- Egg yolks
- Add richness and structure, helping the batter bind and set as it bakes.
- Butter
- Adds fat and richness, and creaming it with sugar traps air for a tender crumb.
- Flour
- Provides the main structure that sets the cake as it bakes.
- Baking powder
- Releases gas in the batter, helping the cake rise and become light.
- Powdered sugar
- Sweetens the batter and helps give the creamed mixture a fine, tender texture.
- Grated pineapple
- Adds moisture and fruity acidity to the batter.
The step that matters
Quickly beat the flour into the batter. Once flour meets liquid, gluten begins to form. Overbeating develops too much gluten, which can make the cake tough, while the baking powder starts releasing gas as soon as it is wet, so the batter should go into the molds promptly.
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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