Why it works: Lettuce and pepper are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 4,037 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Plain Lettuce Salad
Ingredients
Directions
Prepare
Wash the lettuce carefully and dry it well by shaking it in a clean cloth.
Break the leaves into small pieces with your hands; do not cut them with a knife.
Dress and serve
Mix the vinegar, oil, sugar, salt, and pepper together until dissolved.
Pour the dressing over the lettuce and mix gently.
Serve immediately.
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 + peppertop 9% of all pairsSmell alikemoderateCooked together4,037 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Lettuce + vinegartop 14% of all pairsSmell alikemoderateCooked together2,370 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Vinegar + sugartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
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Lettuce + sugartop 29% of all pairsSmell alikemoderateCooked together1,486 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lettuce
- Forms the bulk of the salad and carries the dressing on its leaf surfaces.
- Vinegar
- Adds acidity that brightens the flavour and balances the oil.
- Salad oil
- Carries flavour and coats the leaves, giving a smooth, glossy mouthfeel.
- Moist sugar
- Adds a little sweetness that softens the sharpness of the vinegar.
The step that matters
Dry the lettuce thoroughly before dressing. Water on the leaves dilutes the oil and vinegar so the dressing slides off instead of clinging. Well-dried leaves hold the dressing evenly and stay crisp.
Swap the lettuce
How well each one fits the dish's main ingredients (vinegar, sugar, pepper):
- Capsicumfits better
- Mustardfits better
- Cabbagefits better
- Lettucethe original
Fit is the average pairing score against vinegar, sugar, pepper. 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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