Why it works: Tomato and allspice work together. They rank in the top 13% of all ingredient pairs, and cooks put them together in 670 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Tomato Jelly
Ingredients
Directions
Prepare the juice
Pour boiling water over the tomatoes and remove the skins.
Boil the tomatoes in enough water to cover them until tender, then strain the liquid without pressing the fruit and let it drip.
Boil the juice again, skimming off any scum that forms.
Make the jelly
Gradually add the sugar and whole allspice, and continue boiling until the jelly is clear and transparent.
To test, drop a little on a cold plate; if it congeals, it is ready.
Bottle the jelly when cold.
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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Tomato + allspicetop 13% of all pairsSmell alikemoderateCooked together670 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Sugar + allspicetop 24% of all pairsSmell alikelowCooked together6,938 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
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Tomato + sugartop 33% of all pairsSmell alikelowCooked together4,667 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Ripe tomatoes
- Provide the juice that is boiled down into the jelly base and its main flavour.
- Sugar
- Sweetens the jelly and helps it set as the juice thickens.
- Allspice
- Adds a warm, aromatic spice flavour to the jelly.
The step that matters
Testing the set on a cold plate. Jelly sets as the sugar concentration rises and the mixture cools, so boiling too briefly leaves it runny, while overboiling can make it stiff. A cold-plate test shows whether it will congeal before bottling.
Swap the tomato
How well each one fits the dish's main ingredients (sugar, allspice):
- Mustardfits better
- Arrowrootfits better
- Sweet potatofits better
- Tomatothe original
Fit is the average pairing score against sugar, allspice. 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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