Why it works: Tarragon and lettuce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 425 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Frozen Tomato Salad
Ingredients
Directions
Prepare the tomato
Drain the large pieces of pulp from the canned tomatoes and press them through a sieve.
Season the tomato pulp with coarse sea salt, black pepper, tarragon vinegar, and onion juice.
Freeze
Place the mixture in the freezer and freeze until firm, like a water ice.
Remove the mixture from the freezer and stir the mixture well.
Repack the freezer.
Let it chill in the cellar for 2 hours.
Serve
Grate or finely chop the English walnuts.
Serve the frozen tomato on a bed of lettuce leaves and sprinkle with walnuts.
Serve mayonnaise in a bowl on the side.
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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Tarragon + lettucetop 1% of all pairsSmell alikestrongCooked together425 recipes
Shared aroma: coumarin (sweet, hay).
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Walnut + lettucetop 1% of all pairsSmell alikestrongCooked together491 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Tarragon + walnuttop 5% of all pairsSmell alikestrongCooked together118 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Pepper + tarragontop 5% of all pairsSmell alikestrongCooked together2,399 recipes
Shared aroma: estragole (anise, licorice).
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Tomato + tarragontop 6% of all pairsSmell alikemoderateCooked together391 recipes
Shared aroma: beta-phellandrene (minty, terpene).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Form the main body of the salad, providing the pulp that freezes into a water-ice texture.
- English walnuts
- Add a crunchy, slightly bitter contrast to the soft, cold tomato.
- Mayonnaise
- Adds richness and fat that softens the sharp acidity of the tomato.
The step that matters
Stirring the partly frozen mixture. Stirring breaks up ice crystals as the pulp freezes, so the result is a smooth, granular texture rather than a solid block of ice.
Swap the onion
How well each one fits the dish's main ingredients (tomato, pepper, tarragon, vinegar, walnut, lettuce):
- Cucumberfits better
- Capsicumfits better
- Mustardfits better
- Onionthe original
Fit is the average pairing score against tomato, pepper, tarragon, vinegar, walnut, lettuce. 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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