Why it works: Lettuce and tomato are a kitchen classic. They rank in the top 6% of all ingredient pairs, and cooks put them together in 1,655 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Pepper Salad
Ingredients
Directions
Prepare the peppers
Plunge the green and red peppers in boiling water.
Remove and peel off the skin.
Once cold, cut off the stems and remove the seeds.
Slice the peppers and onions into rings.
Serve
Cover with French dressing and serve on a bed of lettuce.
Add slices of tomato if desired.
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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Lettuce + tomatotop 6% of all pairsSmell alikemoderateCooked together1,655 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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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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Onion + tomatotop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + lettucetop 9% of all pairsSmell alikemoderateCooked together4,037 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
- Sweet peppers
- Provide the main body and crisp texture of the salad.
- French dressing
- Adds acidity and fat that moisten and flavour the sliced peppers.
- Small onions
- Add sharp aroma and a pungent bite that contrasts with the sweet peppers.
The step that matters
Plunge the peppers in boiling water. Brief blanching loosens the skin so it can be peeled off cleanly. Leaving them too long softens the flesh, so the peppers become limp rather than crisp.
Swap the tomato
The recipe marks tomato as optional. How well each one fits the dish's main ingredients (pepper, onion, lettuce):
- Mustardfits better
- Spinachfits better
- Beetrootfits better
- Tomatothe original
Fit is the average pairing score against pepper, onion, 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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