Why it works: Quince and lemon match in chemistry and in kitchens. They rank in the top 11% of all ingredient pairs, and cooks put them together in 336 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Quince Preserve
Ingredients
Directions
Prepare the quinces
Pare, core, quarter, and weigh the quinces.
Combine the peelings and cores with water in a preserving kettle.
Boil the mixture for 30 minutes.
Strain the mixture through a sieve.
Return the juice to the kettle.
Cook the quinces
Boil the quinces in the juice a few at a time until tender.
Remove the quinces with a drainer and place them on a platter.
If the liquid is low, add warm water as needed.
Add the sugar and boil for 10 minutes.
Skim the mixture.
Add all the quinces and boil until they turn a clear garnet color, about 1 hour and 15 minutes over low heat.
Occasionally slide a silver spoon under the quinces to prevent burning, but do not stir.
A few minutes before finishing, add the sliced lemons.
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.
-
Quince + lemontop 11% of all pairsSmell alikestrongCooked together336 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Quince + sugartop 21% of all pairsSmell alikemoderateCooked together1,444 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
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
- Quinces
- Provide the fruit flesh that softens and turns clear garnet during long gentle cooking.
- White sugar
- Sweetens the preserve and helps it thicken and set as the syrup concentrates.
- Lemons
- Add acidity that brightens the flavor and supports the set and clear color.
The step that matters
Add all the quinces and boil gently without stirring. Quince flesh is firm and can break apart or scorch if stirred or boiled hard. Gentle heat and occasional lifting with a spoon keep the pieces whole and the syrup clear while the fruit turns garnet.
Swap the quince
How well each one fits the dish's main ingredients (sugar, lemon):
- Orangefits better
- Limefits better
- Vanillafits better
- Quincethe original
Fit is the average pairing score against sugar, lemon. 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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