Why it works: Plum and sugar are a kitchen classic. They rank in the top 21% of all ingredient pairs, and cooks put them together in 2,313 recipes. Both carry 1-penten-3-one, which smells fish, pungent. The science ↓
Black Plum Jam
Ingredients
Directions
Prepare the plums
Cut the plums into pieces and remove the stones.
Place the plums in a large copper pan and bruise them with a paddle.
Warm the plums over the fire until soft.
Pass the mixture through a colander using a pestle to extract as much as possible.
Cook the jam
Boil the mixture for one hour, stirring constantly to prevent burning.
Add 6 ounces of powdered sugar for every pound of jam and mix well.
Return the mixture to the fire for an additional 10 minutes.
Transfer the jam to brown pans and sift powdered sugar over the top.
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 + sugartop 21% of all pairsSmell alikelowCooked together2,313 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Black muscle plums
- Provide the fruit, pectin and tartness that form the jam's body and flavour.
- Powdered sugar
- Adds sweetness and, through its concentration, helps the jam thicken and keep.
The step that matters
Stirring during the one-hour boil. Jam is dense and sugary, so it sticks and scorches on the base of the pan. Constant stirring prevents burning and keeps the flavour clean.
“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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