Why it works: Celery and lettuce match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and 2,033 recipes mention both. Both carry nonanal, which smells fat, citrus. The science ↓
Moulded Tomato Salad
Ingredients
Directions
Make the tomato gelatin
Boil the tomatoes for 30 minutes or until soft.
Soften the gelatin in cold water, then stir it into the tomatoes until dissolved.
Pour the mixture into a ring mould and refrigerate until set.
Serve
For serving, place celery salad in the center and surround it with lettuce.
Alternatively, use small moulds or shape it like a cup and fill with salad on a bed of lettuce.
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.
-
Celery + lettucetop 4% of all pairsAroma overlapstrongMentioned together2,033 recipes
Shared aroma: nonanal (fat, citrus).
-
Tomato + celerytop 4% of all pairsAroma overlapmoderateMentioned together3,377 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Tomato + lettucetop 6% of all pairsAroma overlapmoderateMentioned together1,655 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 flavor; cooking softens them into a pulp that the gelatin sets.
- Gelatine
- Sets the tomato mixture into a firm shape that holds its form when unmoulded.
The step that matters
Dissolve the gelatin fully into the tomatoes. Gelatin must be hydrated and then dissolved in warm liquid to set evenly. Undissolved granules leave gritty specks and weak spots, so stir until no grains remain before refrigerating.
Flavor stand-ins for the lettuce
How well each one fits the dish's main ingredients (tomato, celery):
- Carrotbetter flavor fit
- Capsicumbetter flavor fit
- Okraabout as good a flavor fit
- Lettucethe original
Fit is the average pairing score against tomato, celery. 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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