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 ↓
Plum Buttek
Ingredients
Directions
Prepare the fruit
Cook the apples and plums in separate kettles until soft, adding just enough water to prevent sticking.
Pass the cooked fruit through a colander.
Sweeten and bottle
For each pound of mixture, add ¾ pound of white sugar.
Cook briefly and then bottle the mixture.
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).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
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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
- Plums
- Add tartness and natural pectin, which helps the preserve thicken and set.
- Sweet apples
- Add body and pectin, giving the preserve a smoother, thicker texture.
- White sugar
- Adds sweetness and helps preserve the mixture by binding water and aiding setting.
The step that matters
Cook the fruit in separate kettles with just enough water. Fruit sticks and scorches easily on the bottom of a pot as it softens. Too little water risks burning, while too much makes the preserve thin and slow to set.
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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