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 ↓
Pine-apple 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.
Make the batter
Preheat the oven to 350°F (175°C).
Cream the butter and sugar together until light and fluffy.
Add the milk and mix well.
In a separate bowl, combine the flour and baking powder.
Gradually add the flour mixture to the butter mixture.
Fold in the egg whites and yolks until just combined.
Bake and assemble
Pour the batter into jelly‑cake pans and bake until golden.
For the filling, sprinkle the grated pineapple with sugar and layer it between the cake layers.
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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Milk + pineappletop 12% of all pairsSmell alikemoderateCooked together885 recipes
Shared aroma: methyl 2-methylbutyrate (fruity, apple).
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Milk + flourtop 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).
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
- Creams with sugar to trap air, giving a light, tender crumb and rich flavour.
- Sugar
- Sweetens the cake and helps the creamed butter hold air for a light texture.
- Flour
- Forms the cake's structure once mixed with liquid and set by heat.
- Baking powder
- Releases gas in the batter so the cake rises in the oven.
- Egg whites
- Add structure and lift when folded in, setting the crumb as it bakes.
- Egg yolks
- Add richness, moisture and tenderness, and help browning.
The step that matters
Folding in the egg whites and yolks. Overmixing knocks air out of the batter, so the cake rises less and bakes up dense. Fold gently only until just combined.
Swap the pineapple
How well each one fits the dish's main ingredients (butter, sugar, milk, flour, egg):
- Vanillafits better
- Raisinfits better
- Figfits better
- Pineapplethe original
Fit is the average pairing score against butter, sugar, milk, flour, 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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