Why it works: Tomato and pepper are a kitchen classic. They rank in the top 7% of all ingredient pairs, and 17,923 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Tomato Jelly
Ingredients
Directions
Prepare
Soak the gelatin in the tomato juice for a few minutes.
In a saucepan, combine the soaked gelatin, tomato juice, vinegar, pepper, salt, and sugar.
Cook and set
Bring the mixture to a boil, stirring until the gelatin is fully dissolved.
Pour the mixture into a mold and refrigerate until set.
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 aroma chemistry they share, and how many recipes mention both.
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Tomato + peppertop 7% of all pairsAroma overlapmoderateMentioned together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Gelatin + sugartop 7% of all pairsAroma overlapmoderateMentioned together2,778 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Vinegar + peppertop 14% of all pairsAroma overlapmoderateMentioned together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Vinegar + sugartop 15% of all pairsAroma overlapmoderateMentioned together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
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Tomato + vinegartop 16% of all pairsAroma overlapmoderateMentioned together5,063 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
- Gelatin
- Forms the gel network that gives the jelly its firm, sliceable set.
- Tomato juice
- Serves as the main liquid and carries most of the flavor and color.
- Vinegar
- Adds acidity that brightens the tomato flavor and balances the sugar.
- Sugar
- Adds sweetness that rounds out the acidity and savory tomato taste.
The step that matters
Stirring until the gelatin is fully dissolved. Undissolved gelatin granules stay hard and cause grainy spots and uneven setting. Stirring while heating helps every particle hydrate and dissolve evenly, so the jelly sets smooth and uniform.
“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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