Why it works: Sugar and rum are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 2,908 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Rum Jelly
Ingredients
Directions
Make the jelly
Boil sugar in water to make a clear syrup.
Mix in clarified isinglass or gelatine.
Add lemon juice and rum.
Pour the mixture into a damp mold.
Set and serve
Set the mold in ice or a cool place until the jelly is stiff.
Turn out the jelly and serve.
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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Sugar + rumtop 14% of all pairsSmell alikelowCooked together2,908 recipes
Shared aroma: beta-damascenone (apple, rose).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + rumtop 19% of all pairsSmell alikemoderateCooked together1,341 recipes
Shared aroma: alpha-pinene (pine, turpentine).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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
- Sugar
- Provides sweetness and body to the syrup that the jelly is built on.
- Isinglass or gelatine
- Sets the liquid into a firm jelly as it cools.
- Lemon juice
- Adds acidity that balances the sweetness of the syrup.
- Rum
- Adds alcohol flavour and aroma to the jelly.
The step that matters
Clarifying the isinglass or gelatine before mixing. Gelatine and isinglass set the jelly only when they are fully dissolved and the liquid is clear. Cooling the mixture until it begins to thicken before pouring helps keep it evenly set and free of cloudiness.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, rum):
- Vanillafits better
- Pineapplefits better
- Bananafits better
- Lemonthe original
Fit is the average pairing score against sugar, rum. 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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