Why it works: Quince and apple work together. They rank in the top 1% of all ingredient pairs, and cooks put them together in 506 recipes. Both carry ethyl isobutyrate, which smells fruity, ethereal. The science ↓
Quince and Apple Preserve
Ingredients
Directions
Prepare the quinces
Pare the quinces.
Core the quinces.
Leave them whole or cut them into pieces.
Cook the quinces in syrup
Boil the quinces in enough water to cover them until tender.
Carefully remove the quinces.
Place them on a platter.
Add the sugar to the water used for boiling.
Bring to a boil.
Return the quinces to the syrup.
Boil slowly until clear.
Place the quinces in jars.
Pour the syrup over them.
Add the apples
Use half to two-thirds the weight of sweet apples.
Pare the apples.
Quarter the apples.
Core the apples.
Add the apples to the syrup.
Boil until red, clear, and tender.
Layer the quinces and apples alternately in a jar.
Cover with syrup.
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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Quince + appletop 1% of all pairsSmell alikemoderateCooked together506 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
-
Sugar + appletop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Quince + sugartop 21% of all pairsSmell alikemoderateCooked together1,444 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
Sugar and apple barely smell alike, yet cooks put them together in 16,478 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
- Firm fruit that holds its shape through long cooking and gives the preserve its main flavour.
- Sugar
- Sweetens the fruit and, at high concentration, helps preserve it while forming the syrup.
- Sweet apples
- Add sweetness and body, and their pectin helps the preserve set.
The step that matters
Boil slowly until clear. A gentle simmer lets the syrup penetrate the fruit and keeps the pieces whole and tender. A hard, fast boil breaks the quinces apart and can make the syrup cloudy.
Swap the apple
The recipe marks apple as optional. How well each one fits the dish's main ingredients (quince, sugar):
- Vanillafits better
- Pearfits about as well
- Applethe original
- Plumfits less well
Fit is the average pairing score against quince, sugar. 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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