Why it works: Parsley and lettuce match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 1,483 recipes mention both. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Tomato Jelly Salad
Ingredients
Directions
Make the jelly
Simmer tomatoes, bay leaf, parsley, cloves, onion, and salt for 20-30 minutes.
Strain the mixture and add soaked gelatin while still warm.
Pour into small cups and chill.
Serve
Serve on lettuce leaves with mayonnaise dressing.
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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Parsley + lettucetop 5% of all pairsAroma overlapstrongMentioned together1,483 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Tomato + lettucetop 6% of all pairsAroma overlapmoderateMentioned together1,655 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Parsley + clovetop 6% of all pairsAroma overlapstrongMentioned together6,768 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Clove + lettucetop 8% of all pairsAroma overlapstrongMentioned together486 recipes
Shared aroma: 2-nonanone (fruity, floral).
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Onion + lettucetop 8% of all pairsAroma overlapstrongMentioned together3,562 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Provide the main body and tart flavor of the jelly base.
- Gelatin
- Sets the strained tomato liquid into a firm, sliceable jelly when chilled.
The step that matters
Adding the gelatin while the mixture is still warm. Gelatin must be fully dissolved in warm liquid before setting. Adding it to a cooled or lumpy mixture can leave it unevenly set, so it should be soaked in cold water first and then stirred in while the strained liquid is warm.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (tomato, parsley, clove, gelatin, lettuce):
- Carrotbetter flavor fit
- Beetrootbetter flavor fit
- Cucumberbetter flavor fit
- Onionthe original
Fit is the average pairing score against tomato, parsley, clove, gelatin, lettuce. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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