Why it works: Shrimp and radish work together. They rank in the top 16% of all ingredient pairs, and 34 recipes mention both. Both carry 2-methylbutyraldehyde, which smells malty, chocolate. The science ↓
The recipe
Ingredients
Contains: egg, milk, shellfish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the tomatoes
Ensure the tomatoes are sound, cut them in half, and scoop out a little of the center.
Fill the tomatoes with finely chopped lettuce and arrange them on a bed of lettuce leaves in a flat dish.
Assemble and dress
Top with freshly skinned shrimp or finely chopped prawns and sprinkle with grated cheese.
In a bowl, combine the hard-boiled egg yolk, mustard, castor sugar, salt, pepper, salad oil, cream, and tarragon vinegar to make the dressing.
Pour the dressing over the salad just before serving and garnish with watercress and red radish.
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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Shrimp + radishtop 16% of all pairsAroma overlapmoderateMentioned together34 recipes
Shared aroma: 2-methylbutyraldehyde (malty, chocolate).
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Lettuce + mustardtop 2% of all pairsAroma overlapstrongMentioned together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + radishtop 3% of all pairsAroma overlapstrongMentioned together296 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Tomato + peppertop 4% of all pairsAroma overlapstrongMentioned together17,913 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lettuce + radishtop 4% of all pairsAroma overlapstrongMentioned together58 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Shrimp or prawns
- Provide the main protein and mild sweet seafood flavor that anchors the salad.
- Hard-boiled egg yolk
- Emulsifies with the oil and cream to give the dressing a smooth, thick body.
- Salad oil
- Adds fat and richness to the dressing and carries its flavors.
- Cream
- Adds moisture and richness, softening the sharpness of the vinegar in the dressing.
- Tarragon vinegar
- Adds acidity that brightens the dressing and balances the fat.
- Grated cheese
- Adds savory flavor and richness on top of the seafood.
The step that matters
Dress the salad just before serving. Acid and salt in the dressing draw moisture from the lettuce and tomatoes, so they wilt and release liquid if dressed too early. Adding the dressing last keeps the leaves crisp and the dressing from thinning.
Flavor stand-ins for the lettuce
How well each one fits the dish's main ingredients (tomato, shrimp, cheese, egg, mustard, sugar, pepper):
- Capsicumbetter flavor fit
- Potatobetter flavor fit
- Asparagusbetter flavor fit
- Lettucethe original
Fit is the average pairing score against tomato, shrimp, cheese, egg, mustard, sugar, pepper. 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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