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 ↓
Preserved Quinces
Ingredients
Directions
Prepare the quinces
Pare, core, and quarter the quinces, then weigh them.
Combine the cores and peelings with enough water to cover in a preserving kettle and boil for 30 minutes.
Strain the liquid through a fine sieve and return it to the kettle.
Cook the quinces
Boil the quinces in the liquid a little at a time until tender.
Lift the quinces out with a drainer and place them on a dish.
If the liquid is scarce, add more water.
Add the sugar to the liquid and boil for 10 minutes.
Add the quinces back to the kettle and boil until they change color, about 1 hour and 15 minutes, on low heat.
Occasionally slip a silver spoon under the quinces to prevent burning, but do not stir.
Jar
Cut the lemons into thin slices and place a slice or two in each jar when filling.
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
- Fruit that softens and turns color during long simmering, forming the preserve itself.
- White sugar
- Sweetens and preserves the fruit by drawing out water and inhibiting spoilage.
- Lemons
- Adds acidity and brightness that balances the sweetness of the syrup.
The step that matters
Simmering the quinces gently. Quinces need a long, low simmer to turn tender and change color. Stirring or boiling hard can break the fruit apart and scorch the sugar on the bottom, so the spoon is slipped under rather than stirring.
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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