Why it works: Lettuce and beetroot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 678 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
Lettuce and Bean Salad
Ingredients
Directions
Prepare
Wash, drain, and tear the lettuce into pieces.
Dip the toasted bread into salad oil and place it in a salad bowl.
Assemble and dress
Layer the lettuce and cooked French beans alternately on the toast.
Garnish with cooked beetroot and slices of hard boiled egg.
Make a dressing by mixing the salad oil and chili vinegar, then season with salt and pepper.
Pour the dressing over the salad just before serving.
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 + beetroottop 1% of all pairsSmell alikestrongCooked together678 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Lettuce + beanstop 1% of all pairsSmell alikestrongCooked together500 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Beans + beetroottop 1% of all pairsSmell alikestrongCooked together215 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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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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Pepper + beanstop 11% of all pairsSmell alikemoderateCooked together4,733 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
- Lettuce
- Forms the bulk of the salad, providing crisp, watery texture and fresh volume.
- Salad oil
- Carries flavour in the dressing and coats the toasted bread, adding richness and moisture.
- Chili vinegar
- Adds acidity and sharp heat that balances the oil and sweetness of the vegetables.
- French beans
- Add tender body and mild, earthy flavour between the layers of lettuce.
- Toasted bread
- Serves as a crisp, oil-soaked base that soaks up dressing without going soggy quickly.
The step that matters
Pour the dressing over the salad just before serving. Acid and salt draw water out of lettuce and wilt its leaves within minutes. Dressing added at the last moment keeps the leaves crisp and the bread from turning soggy.
Swap the beans
How well each one fits the dish's main ingredients (lettuce, vinegar, pepper, bread, beetroot, egg):
- Lentilsfits about as well
- Chickpeafits about as well
- Chestnutfits about as well
- Beansthe original
Fit is the average pairing score against lettuce, vinegar, pepper, bread, beetroot, egg. 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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