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 Jam
Ingredients
Directions
Prepare
Slice quinces about ½ inch thick, removing rinds and cores.
Soak sliced quinces in cold water with a little lemon juice.
Cook
Place quinces in a saucepan, barely covering with cold water.
Cut fruit into ½ inch squares.
Simmer gently until tender.
Stew skins, cores, and some chopped quinces in a separate saucepan until tender, then strain the mixture.
Finish
Measure the juice and add 1 pound of sugar for each pint of juice.
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).
-
Lemon + sugartop 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).
Lemon and sugar 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 body and natural pectin that lets the jam thicken and set.
- Sugar
- Adds sweetness, body, and preservation, and helps the jam set when cooked.
- Lemon juice
- Adds acidity that supports pectin setting and brightens the flavor.
The step that matters
Measure the juice and add sugar. Sugar, acid, and pectin must be in the right balance for the jam to set. Measuring the strained juice and matching sugar to it keeps that ratio correct.
Swap the quince
How well each one fits the dish's main ingredients (lemon, sugar):
- Orangefits better
- Limefits better
- Vanillafits better
- Quincethe original
Fit is the average pairing score against lemon, 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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