Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
String Bean Salad
Ingredients
Directions
Prepare the beans
String the beans and cut them into thin lengthwise slices.
Cook and dress
Boil the beans until tender, then drain and let cool.
In a bowl, combine the cooled beans with salt, pepper, grated onion, oil, vinegar, water, and lemon juice.
Toss to mix well 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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Beans + oniontop 7% of all pairsSmell alikestrongCooked together5,242 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Beans + peppertop 11% of all pairsSmell alikemoderateCooked together4,733 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Beans + lemontop 12% of all pairsSmell alikestrongCooked together1,474 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- String beans
- Form the bulk of the salad and provide its tender, crisp-cooked texture.
- Oil
- Adds fat and richness, carrying flavor and coating the beans smoothly.
- Vinegar
- Adds acidity that brightens the salad and balances the oil.
- Lemon juice
- Adds further acidity and fresh citrus aroma to the dressing.
- Onion
- Adds sharp, aromatic pungency that flavors the dressing throughout.
The step that matters
Let the beans cool before dressing. Dressing hot beans causes the oil and acid to be absorbed unevenly and can make the beans soft and greasy. Cooling first keeps their texture firm and lets the dressing coat them evenly.
Swap the lemon
How well each one fits the dish's main ingredients (beans, pepper, onion, vinegar):
- Avocadofits better
- Limefits better
- Mangofits better
- Lemonthe original
Fit is the average pairing score against beans, pepper, onion, vinegar. 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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