Why it works: Pear and sugar are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 2,079 recipes. Both carry 1-penten-3-one, which smells fish, pungent. The science ↓
Pear Preserves
Ingredients
Directions
Prepare the syrup
Peel the pears and drop them in cold water.
In a pot, combine the sugar and enough water to just cover it.
Boil the sugar mixture for a while.
Beat the egg white and add it to the syrup to clarify.
Skim the syrup, then add the pears.
Cook and jar
Cook until the pears are a pretty red and the syrup thickens.
Transfer to jars and seal tightly.
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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Pear + sugartop 17% of all pairsSmell alikelowCooked together2,079 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
-
Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Pear + eggtop 30% of all pairsSmell alikemoderateCooked together538 recipes
Shared aroma: (e)-2-octenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Pears
- Provide the fruit body and flavor that the syrup surrounds and preserves.
- Sugar
- Forms the syrup that sweetens the fruit and helps preserve it by drawing out water.
- Egg white
- Binds impurities to the syrup so they can be skimmed off, clarifying it.
The step that matters
Skim the syrup, then add the pears. Clarifying with egg white only works if the impurities that rise are fully skimmed off before the fruit goes in; leftover residue clouds the syrup and can spoil the appearance of the preserves.
Swap the pear
How well each one fits the dish's main ingredients (sugar, egg):
- Vanillafits better
- Raisinfits better
- Lemonfits better
- Pearthe original
Fit is the average pairing score against 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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