Why it works: Apple and quince 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 Preserves
Ingredients
Directions
Cook the fruit
Cook the apples separately in a little water.
Cook the quinces separately in a little water, cooking them much longer.
Add the sugar to the apples all at once to toughen them.
When the fruit begins to soften, combine the apples and quinces and cook slowly.
Once sufficiently cooked, remove the fruit.
Finish and store
If the juice is not syrupy, boil it down until it is.
Seal in cans or store in small, well-covered jars.
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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Apple + quincetop 1% of all pairsSmell alikemoderateCooked together506 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
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Quince + sugartop 21% of all pairsSmell alikemoderateCooked together1,444 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
Apple and sugar 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
- Sweet apples
- Provide body and pectin-rich softness that help the preserve set.
- Quinces
- Add firm texture and a fragrant, tart flavour that deepens the preserve.
- Sugar
- Sweetens the fruit, firms the apple pieces, and helps the juice thicken into syrup.
The step that matters
Adding the sugar to the apples all at once. Sugar added to fruit all at once firms the apple pieces so they hold their shape instead of turning mushy while the quinces cook longer. Adding it gradually or too late gives a softer, less defined texture.
Swap the quince
How well each one fits the dish's main ingredients (apple, sugar):
- Pearfits better
- Vanillafits about as well
- Apricotfits about as well
- Quincethe original
Fit is the average pairing score against apple, 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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