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 Crab-apple Jelly
Ingredients
Directions
Prepare the fruit
Slice and core the quinces, then place them in a pot with water.
Cook until tender, then press out the juice.
Cut the crab-apples in half without peeling or coring.
Place the crab-apples in a stone jar set in boiling water for 7-8 hours.
Strain the cold juice through a flannel.
Make the jelly
For every pint of juice, add a pound of sugar and proceed as with currant jelly.
Boil the strained juice down for 20 minutes.
Add sugar in the same proportion as currants.
Let it boil.
Fill the bowls.
Set and seal
Leave the jelly uncovered until the next day.
Cover with two thin papers dipped in brandy.
Seal with paper and paste.
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).
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Currant + brandytop 7% of all pairsSmell alikelowCooked together3,057 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
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Apple + brandytop 11% of all pairsSmell alikemoderateCooked together1,291 recipes
Shared aroma: beta-damascenone (apple, rose).
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Apple + curranttop 12% of all pairsSmell alikelowCooked together1,918 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Quince + brandytop 14% of all pairsSmell alikelowCooked together91 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Quinces
- Provide pectin and acidity so the juice sets into a firm jelly.
- Sugar
- Sweetens the jelly and helps it set and keep well.
- Siberian crab-apples
- Add tart acidity and natural pectin to support setting.
The step that matters
Adding sugar to the juice. Sugar must be measured against the juice and dissolved fully before boiling. Too little sugar can stop the jelly from setting, while boiling too long or unevenly can scorch it or make it cloudy.
Swap the currant
How well each one fits the dish's main ingredients (quince, sugar, crab, apple, brandy):
- Pearfits better
- Plumfits better
- Apricotfits better
- Currantthe original
Fit is the average pairing score against quince, sugar, crab, apple, brandy. 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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