Why it works: Beans and tomato match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 2,713 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Bean Tomato Soup
Ingredients
Directions
Make the soup
In a pot, combine the beans, water, onion, and tomatoes.
Simmer for 30 minutes.
Rub the mixture through a sieve.
Thicken and serve
In a separate pan, melt the butter and mix with the flour.
Add the butter‑flour mixture to the soup.
Season with salt and pepper to taste.
Serve very 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 + tomatotop 1% of all pairsSmell alikestrongCooked together2,713 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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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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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Baked beans
- Provide the main body and starch that give the soup its substance.
- Stewed tomatoes
- Add acidity and a tomato flavour to the soup.
- Butter and flour
- Form a roux that thickens the soup as it is added.
The step that matters
Adding the butter‑flour mixture. Flour needs to be cooked in fat and then stirred into hot liquid to thicken smoothly; adding it cold or in clumps can leave lumps.
Swap the onion
How well each one fits the dish's main ingredients (beans, tomato, butter, flour, pepper):
- Okrafits better
- Capsicumfits better
- Sweet potatofits better
- Onionthe original
Fit is the average pairing score against beans, tomato, butter, flour, pepper. 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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