Why it works: Pineapple and sugar are a kitchen classic. They rank in the top 19% of all ingredient pairs, and cooks put them together in 4,841 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Pineapple Preserves
Ingredients
Directions
Macerate
Layer the sliced pineapple and sugar in jars and let it stand for 12 to 14 hours.
Make the syrup
In the morning, remove the fruit and add 1 cup of water for each 4 pounds of pineapple to the syrup.
Boil the syrup until it thickens, then skim and let it cool.
Return the fruit to the syrup and boil gently until tender.
Pack and seal
Pack the fruit in jars and pour the syrup over it. Seal while hot or tie up when cold.
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 + sugartop 19% of all pairsSmell alikelowCooked together4,841 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Pineapple
- Provides the fruit body and its flavour, and softens as it cooks in the syrup.
- White sugar
- Draws water out of the fruit and thickens the syrup, preserving the fruit and giving sweetness.
- Water
- Dilutes the sugar syrup so it can be boiled to a thick, even consistency around the fruit.
The step that matters
Boil the syrup until it thickens. Sugar must reach a high enough concentration to thicken the syrup and help preserve the fruit. Undercooked syrup stays thin and spoils sooner, while overcooking can make the preserves too stiff or caramelised.
“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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