Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
String Beans
Ingredients
Directions
Prepare
Break off both ends of the string beans and remove the strings.
Break the beans in half.
Cook and finish
Boil the beans in water with salt until tender.
Drain the beans and season with pepper.
Add butter and cream or milk.
Boil for a few minutes.
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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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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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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Beans + buttertop 19% of all pairsSmell alikemoderateCooked together2,799 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Pepper + buttertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Pepper + creamtop 23% of all pairsSmell alikelowCooked together21,449 recipes
Shared aroma: acetic acid (sour, vinegar).
Pepper and cream barely smell alike, yet cooks put them together in 21,449 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Adds richness and a smooth, rounded flavour to the beans.
- Cream or milk
- Adds moisture and body, turning the butter into a light creamy coating.
The step that matters
Boil for a few minutes after adding the cream or milk. Boiling briefly thickens the dairy slightly as it reduces, helping it cling to the beans. Boiling too long or too hard can cause the milk to separate or scorch, so keep the heat gentle and watch closely.
Swap the beans
How well each one fits the dish's main ingredients (pepper, butter, cream):
- Almondfits better
- Walnutfits about as well
- Pistachiofits about as well
- Beansthe original
Fit is the average pairing score against pepper, butter, cream. 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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