Why it works: Lemon and pineapple are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 1,964 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Pineapple Cake
Ingredients
Directions
Prepare the cake
Prepare a white layer cake as for Lemon Jelly Cake and let it cool.
Make the filling
In a small saucepan, combine sugar and hot water and cook until it spins a thread from the spoon.
Beat the egg whites to a stiff froth.
Pour the hot syrup into the egg whites in a small stream while beating continuously.
Continue beating until very stiff, then stir in the grated or finely chopped fresh pineapple.
If using canned pineapple, simmer sliced pineapple in a saucepan until tender, then cool and chop.
Assemble
Spread the filling between the layers, on top, and on the sides of the cake.
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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Lemon + pineappletop 12% of all pairsSmell alikemoderateCooked together1,964 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + eggtop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
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Sugar + pineappletop 19% of all pairsSmell alikelowCooked together4,841 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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
- Sugar
- Sweetens the filling and, cooked into a syrup, gives it body when whipped into the egg whites.
- Egg whites
- Whipped into a stiff foam that gives the filling its light, airy structure.
- Fresh pineapple
- Adds fruit flavour and acidity to the filling.
The step that matters
Pouring the hot syrup into the egg whites. The syrup must be pour in a thin stream while beating constantly so the hot sugar cooks the whites into a stable, glossy foam rather than scrambling them or deflating the mixture.
Swap the pineapple
How well each one fits the dish's main ingredients (lemon, sugar, egg):
- Orangefits better
- Vanillafits better
- Limefits better
- Pineapplethe original
Fit is the average pairing score against lemon, sugar, 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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