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.
Prepare
Preheat the oven to 350°F (175°C).
Make the cake
Cream the butter and sugar together until light and fluffy.
Add the milk, flour, baking powder, egg whites, and egg yolks; mix well.
Pour the batter into jelly cake pans and bake until golden.
Fill and frost
Grate the pineapple and sprinkle it with sugar.
Spread the grated pineapple between the cake layers.
Beat 2 tablespoons of grated pineapple into the frosting before applying.
Frost the outside of the cake with your preferred frosting.
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 the cake a light, tender crumb.
- Sugar
- Sweetens the cake and helps it brown while creaming with butter for lightness.
- Flour
- Forms the cake's main structure once its proteins set during baking.
- Egg whites
- Add structure and lift to the batter as they set in the oven.
- Egg yolks
- Add richness, moisture and tenderness to the crumb.
- Baking powder
- Releases gas in the batter to make the cake rise.
The step that matters
Bake until golden. Baking until golden, rather than shorter or longer, sets the structure while keeping the crumb moist; underbaking can collapse the layers and overbaking dries them out.
Swap the pineapple
The recipe marks pineapple as optional. 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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