Why it works: Plum and apple match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 404 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
To Preserve Fruit for Tarts or Family Desserts
Ingredients
Directions
Prepare
Gather ripe cherries, plums, and American apples.
Place the fruit in small jars that hold 1 pound each.
Sprinkle 6 ounces of pounded sugar over each jar.
Seal and boil
Cover each jar with two bladders, tied down separately.
Set the jars in a large pot of water up to the neck and boil for three hours.
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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Plum + appletop 2% of all pairsSmell alikestrongCooked together404 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Plum + sugartop 21% of all pairsSmell alikelowCooked together2,313 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
- Cherries
- Provide the main fruit flavor and soft, juicy texture once preserved.
- Plums
- Add fruit body and tartness that balances the sugar in the filling.
- American apples
- Contribute firm pieces and pectin that help the preserved fruit hold its shape.
- Loaf sugar
- Sweetens the fruit and draws out its juices, helping to preserve it.
The step that matters
Sealing the jars before boiling. The bladder covers must be tied down tightly so that water cannot enter the jars during the long boil. Water entering would dilute the fruit and spoil the preserve, so a secure seal protects the contents.
Swap the plum
How well each one fits the dish's main ingredients (apple, sugar):
- Pearfits better
- Vanillafits better
- Apricotfits about as well
- Plumthe 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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