Why it works: Quince and sugar are a kitchen classic. They rank in the top 21% of all ingredient pairs, and cooks put them together in 1,444 recipes. Both carry 1-penten-3-one, which smells fish, pungent. The science ↓
Quince Marmalade, Superior
Ingredients
Directions
Prepare the quinces
Wash the quinces and place them whole in a preserving pan.
Cover the quinces with boiling water and simmer gently until soft enough to pierce with a pin.
Remove the quinces, peel, and core them.
Return the cores and skins to the water and boil until reduced.
Strain the liquid and cut the fruit into thin slices.
Make the marmalade
Weigh the sliced fruit and measure out an equal weight of refined sugar.
Combine the fruit, sugar, and strained liquid in a preserving pan.
Boil gently, stirring with a wooden spoon until thick and smooth.
To test for doneness, place a small amount on a plate; if it jellies, it is ready.
Jar
Pour the hot marmalade into glasses or jars and cover as usual.
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 + sugartop 21% of all pairsSmell alikemoderateCooked together1,444 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Ripe quinces
- Provide the fruit body and natural pectin that help the marmalade set.
- Refined sugar
- Sweetens the marmalade and, in quantity, helps it thicken and keep.
- Boiling water
- Softens the quinces so they can be peeled, cored, and cooked down.
The step that matters
Testing for doneness. Undercooked marmalade stays runny, while overcooking can make it stiff or sticky. A cold-plate test shows whether the pectin and sugar have reached a set, so checking before jarring prevents a failed batch.
“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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