Why it works: Beans and potato match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 655 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
Bean Soup
Ingredients
Directions
Simmer
Combine all ingredients in a pan.
Boil slowly for five hours.
Strain and thicken
Press through a sieve or colander.
Thicken with a little flour or corn flour.
Bring to a boiling point and boil for five 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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Beans + potatotop 5% of all pairsSmell alikestrongCooked together655 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Potato + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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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 + flourtop 11% of all pairsSmell alikemoderateCooked together2,080 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Meat + potatotop 14% of all pairsSmell alikemoderateCooked together786 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- White beans
- Starchy body that softens during long simmering and, once pressed, gives the soup its texture.
- Potatoes
- Starch that breaks down during long boiling, adding body to the soup.
- Meat stock
- Liquid base that carries the savoury flavour of the soup.
- Flour or corn flour
- Starch that swells in hot liquid to thicken the soup further.
The step that matters
Thicken with flour, then boil for five minutes. Starch must be fully heated to swell and thicken the liquid, and boiling it briefly cooks out the raw floury taste. Stirring in the flour before boiling helps prevent lumps.
Swap the potato
How well each one fits the dish's main ingredients (meat, beans, pepper, flour):
- Okrafits better
- Spinachfits better
- Shallotfits better
- Potatothe original
Fit is the average pairing score against meat, beans, pepper, flour. 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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