Why it works: Onion and lettuce match in chemistry and in kitchens. They rank in the top 8% of all ingredient pairs, and cooks put them together in 3,562 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Salad Sandwiches
Ingredients
Directions
Season the finely-chopped chicken or veal with coarse sea salt, black pepper, and a dash of onion juice.
Add a little mayonnaise to the mixture and combine well.
Spread the mixture on thin slices of bread lined with crisp lettuce leaves.
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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Onion + lettucetop 8% of all pairsSmell alikestrongCooked together3,562 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Chicken + oniontop 8% of all pairsSmell alikemoderateCooked together17,814 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
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Pepper + lettucetop 9% of all pairsSmell alikemoderateCooked together4,037 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Chicken + breadtop 14% of all pairsSmell alikemoderateCooked together2,258 recipes
Shared aroma: ethyl caproate (fruity).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the lettuce
How well each one fits the dish's main ingredients (chicken, pepper, onion, bread):
- Capsicumfits better
- Tomatofits better
- Potatofits better
- Lettucethe original
Fit is the average pairing score against chicken, pepper, onion, bread. Candidates are from the same food group and used in at least 100 recipes.
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