Why it works: Plum and rhubarb share more aroma than cooks usually use. They rank in the top 9% of all ingredient pairs, and cooks put them together in 40 recipes. Both carry methyl cinnamate, which smells strawberry. The science ↓
Economical Fruit Jellies Made From Jam
Ingredients
Directions
In a pan, combine the fruit and sugar and boil for about 20 minutes.
Pour off some of the juice for jelly.
Continue boiling the remaining fruit until it becomes jam.
Boil the strained juice separately until it jellies, adding extra sugar if needed.
For a better method, heat the fruit without sugar until the juice flows, strain it, then add sugar to both the juice and fruit before boiling.
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 + rhubarbtop 9% of all pairsSmell alikestrongCooked together40 recipes
Shared aroma: methyl cinnamate (strawberry).
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Rhubarb + sugartop 18% of all pairsSmell alikemoderateCooked together1,852 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
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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
- Juicy fruit
- Provides the juice that sets into jelly and the pulp that becomes jam.
- Sugar
- Sweetens the fruit and helps the juice set when boiled to a gel.
The step that matters
Boiling the strained juice until it jellies. Jelly sets only when enough sugar and natural pectin are concentrated by boiling and the mixture reaches the gel point. Too little boiling leaves it runny, while overboiling can make it stiff or caramelise the sugar.
Swap the plum
How well each one fits the dish's main ingredients (rhubarb, sugar):
- Vanillafits better
- Figfits better
- Quincefits better
- Plumthe original
Fit is the average pairing score against rhubarb, 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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