Why it works: Beans and lemon match in chemistry and in kitchens. They rank in the top 12% of all ingredient pairs, and cooks put them together in 1,474 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
French Beans
Ingredients
Directions
Cook the beans
Pick the beans and throw them into fast boiling water.
Boil uncovered until tender.
Finish with butter
Drain the beans and place them in a stewpan with melted butter and lemon juice.
Toss over the fire for about four minutes until ready.
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 + lemontop 12% of all pairsSmell alikestrongCooked together1,474 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Beans + buttertop 19% of all pairsSmell alikemoderateCooked together2,799 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
- French beans
- Provide the main vegetable body and texture of the dish.
- Butter
- Adds richness and a silky coating that carries flavour over the beans.
- Lemon juice
- Adds acidity that brightens the flavour of the butter and beans.
The step that matters
Boil uncovered until tender. Beans cook quickly in fast boiling water, and overcooking turns them dull and mushy. Checking for tenderness early keeps them bright green with a pleasant bite.
Swap the beans
How well each one fits the dish's main ingredients (butter, lemon):
- Almondfits better
- Pistachiofits better
- Chickpeafits better
- Beansthe original
Fit is the average pairing score against butter, lemon. 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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