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 the jars
Gather ripe cherries, plums, and apples.
Place them in small jars that hold a pound each.
Strew 6 ounces of pounded sugar over each jar.
Cover each jar with two tied bladders.
Cook and store
Set the jars in a large stew-pan of water up to the neck.
Boil gently for three hours.
Keep the jars free from damp.
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 flavour and juice that softens and holds the preserve together.
- Plums
- Add fruit body and tartness that balance the sugar in the preserve.
- Apples
- Contribute pectin and body, helping the fruit set into a thick, spreadable mass.
- Loaf sugar
- Sweetens the fruit and draws out its juices while helping preserve it.
The step that matters
Boil gently for three hours. A gentle simmer lets heat penetrate the jars evenly and slowly drives off moisture without breaking the fruit apart. A hard boil can crack jars or scorch and toughen the fruit.
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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