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
Make the quince juice
Boil the peelings and cores of the quinces in water for 30 minutes.
Strain the liquid through a fine sieve and return it to the kettle.
Cook the quinces
Boil the quinces in the juice until tender, removing them with a drainer as they finish.
If the liquid is low, add more water.
Add the sugar to the liquid and boil for 10 minutes before adding the quinces.
Boil the quinces for about 1 hour and 15 minutes on low heat, occasionally lifting them with a silver spoon to prevent burning without stirring.
Fill the jars
When filling jars, place a slice or two of lemon in each jar.
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
- Soften during long simmering, giving the preserve its body and natural pectin for setting.
- White sugar
- Sweetens the preserve and, as it cooks, helps it thicken and keep well.
- Lemons
- Add acidity that brightens the flavour and supports setting.
The step that matters
Simmer the quinces gently without stirring. Quince pieces are fragile and can break apart or scorch on the bottom of the pan. Stirring breaks them up, while lifting them gently with a spoon and keeping the heat low protects their shape and prevents burning.
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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