Why it works: Pineapple and lemon 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 ↓
Preserved Pineapples
Ingredients
Directions
Prepare
Peel the pineapples and remove the eyes and hard center.
Slice the pineapples.
Cook the fruit
Boil the sliced pineapples until tender, then skim the liquid.
Add ¾ pound of sugar for every pound of pineapple.
Boil the mixture, then skim it again.
Add the fruit.
Finish
Boil until the mixture is clear and soft.
Add lemon juice and 1 pound of sugar.
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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Pineapple + lemontop 12% of all pairsSmell alikemoderateCooked together1,964 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Pineapple + sugartop 19% of all pairsSmell alikelowCooked together4,841 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon 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
- Pineapples
- Provide the fruit that softens during cooking and becomes tender and translucent in the syrup.
- Sugar
- Adds sweetness, thickens the syrup and helps preserve the fruit by drawing out its water.
- Lemon
- Adds acidity that brightens the flavor of the sweet syrup. Optional in the record.
The step that matters
Boil until the mixture is clear and soft. Sugar syrup gradually replaces the water in the fruit, which is what makes it clear and firm enough to keep. Stopping too early leaves it cloudy and wet, while boiling too hard can scorch the sugar and darken the fruit.
Swap the lemon
The recipe marks lemon as optional. How well each one fits the dish's main ingredients (pineapple, sugar):
- Vanillafits better
- Bananafits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against pineapple, sugar. 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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