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 ↓
Beans Alia Romana
Ingredients
Directions
Wash the beans with salt and water.
Boil the beans partially, then strain them.
In a pot, heat butter and brown the chopped onion.
Add the beans, pepper, nutmeg, and softened anchovies mixed with a little oil and some of the bean water.
Let the mixture stew until most of the liquid evaporates.
Serve hot.
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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Pepper + nutmegtop 7% of all pairsSmell alikestrongCooked together13,015 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Beans + nutmegtop 9% of all pairsSmell alikestrongCooked together267 recipes
Shared aroma: linalool (floral, citrus).
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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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the onion
How well each one fits the dish's main ingredients (beans, butter, pepper, nutmeg):
- Spinachfits better
- Sweet potatofits better
- Capsicumfits better
- Onionthe original
Fit is the average pairing score against beans, butter, pepper, nutmeg. Candidates are from the same food group and used in at least 100 recipes.
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