Why it works: Plum and peach match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 163 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Plum, Peach and Apple Preserves
Ingredients
Directions
Prepare the fruit
Combine the plums, apples, and peaches in separate jars.
Sugar the fruit to taste.
Let the fruit stand overnight.
Make the syrup
Drain the syrup into a preserving kettle.
Boil the syrup gently for 2 minutes.
Skim the syrup thoroughly.
Cook the fruit
Add the peaches first.
Boil the peaches until tender.
Remove the peaches.
Add the apples.
Boil the apples until tender.
Remove the apples.
Add the plums.
Boil the plums until clear.
Keep the apples and peaches hot.
Mix all the fruit together without mashing.
Add spices as recommended for preserves.
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 + peachtop 1% of all pairsSmell alikestrongCooked together163 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Plum + appletop 2% of all pairsSmell alikestrongCooked together404 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Apple + peachtop 3% of all pairsSmell alikestrongCooked together303 recipes
Shared aroma: beta-damascenone (apple, rose).
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Peach + sugartop 17% of all pairsSmell alikelowCooked together2,308 recipes
Shared aroma: beta-damascenone (apple, rose).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
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
- Plums
- Provide the main flavour and colour, and set clear, tender fruit pieces in the syrup.
- Apples
- Add body and natural pectin that helps the preserves thicken as they cook.
- Peaches
- Contribute soft texture and sweet, fragrant flavour to the blended preserves.
- Sugar
- Sweetens the fruit and draws out syrup, helping preserve the fruit.
The step that matters
Skim the syrup thoroughly. Foam and impurities that rise while the syrup boils can cloud the preserves and spoil flavour. Removing them keeps the syrup clear and the final preserves clean-tasting.
Swap the apple
How well each one fits the dish's main ingredients (plum, peach, sugar):
- Apricotfits better
- Vanillafits better
- Pearfits better
- Applethe original
Fit is the average pairing score against plum, peach, 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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