Why it works: Beans and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 4,733 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
French Beans
Ingredients
Directions
Prepare
Remove the stringy fiber from the back of the French beans.
If serving as a separate dish, leave the beans whole; otherwise, cut them into pieces.
Cook
In a double saucepan, combine the beans, water, butter, salt, pepper, and sugar.
Cover the saucepan loosely and boil for 2 hours.
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 + peppertop 11% of all pairsSmell alikemoderateCooked together4,733 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Beans + buttertop 19% of all pairsSmell alikemoderateCooked together2,799 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Beans + sugartop 26% of all pairsSmell alikemoderateCooked together2,587 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- French beans
- The main vegetable, which softens and becomes tender during the long simmer.
- Butter
- Adds richness and a silky coating of fat to the beans.
- Sugar
- Adds a light sweetness that balances the savory seasoning.
The step that matters
Cover the saucepan loosely and boil for 2 hours.. The double saucepan keeps heat gentle, so the beans soften without scorching. Over two hours the water can boil away, so the loose lid and steady water level matter.
Swap the beans
How well each one fits the dish's main ingredients (butter, pepper, sugar):
- Almondfits better
- Chestnutfits about as well
- Walnutfits about as well
- Beansthe original
Fit is the average pairing score against butter, pepper, sugar. 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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