Why it works: Beans and onion match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 5,242 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
String Bean Salad
Ingredients
Directions
Prepare and cook
String the beans and cut them lengthwise.
Boil the beans in salted water until tender, then drain.
Dress and serve
Add the sliced onion, vinegar, and pepper to the beans.
If desired, add a little bacon grease before mixing in the onion and vinegar.
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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Beans + oniontop 7% of all pairsSmell alikestrongCooked together5,242 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beans + peppertop 11% of all pairsSmell alikemoderateCooked together4,733 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + vinegartop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- String beans
- Form the main body of the salad and carry the texture once boiled until tender.
- Onion
- Adds sharp, pungent flavor that balances the sweetness of the cooked beans.
- Vinegar
- Provides acidity that brightens the salad and sharpens its overall flavor.
- Bacon grease
- Adds fat and savory flavor that coats the beans; optional in this recipe.
The step that matters
Drain the beans well after boiling. Beans left wet dilute the vinegar and dressing, so the salad tastes watery and the acidity is weakened. Draining thoroughly lets the dressing cling to the beans.
Swap the beans
How well each one fits the dish's main ingredients (onion, vinegar, pepper):
- Sesamefits better
- Black-eyed peafits better
- Soybeanfits about as well
- Beansthe original
Fit is the average pairing score against onion, vinegar, 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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