Why it works: Onion and tomato match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and 20,622 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
The recipe
Ingredients
Contains: soy, fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the beans
Soak beans, then drain.
Cover beans with fresh water and heat to boiling.
Simmer the stew
Add sliced onion, ham bone, and cloves.
Simmer for 2 hours.
Discard the cloves, and add remaining ingredients.
Simmer for an hour longer, adding a little hot water if beans cook too dry.
This recipe comes from the Recipes Wiki on Fandom and is licensed CC BY-SA 4.0. Our formatting and summaries are shared under the same licence.
Steps grouped into stages for easier reading; the method is the source's own.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Onion + tomatotop 4% of all pairsAroma overlapstrongMentioned together20,622 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Kidney beans + tomatotop 5% of all pairsAroma overlapstrongMentioned together821 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Clove + molassestop 5% of all pairsAroma overlaplowMentioned together3,458 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Kidney beans + oniontop 6% of all pairsAroma overlapmoderateMentioned together1,050 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + saucetop 7% of all pairsAroma overlaplowMentioned together5,468 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Red kidney beans
- Provide the main body and starch that thicken the stew as they cook down.
- Ham bone
- Releases savory flavor and richness into the broth during the long simmer.
- Molasses
- Adds sweetness and a deep, dark flavor that balances the savory ham.
- Canned tomato sauce
- Adds acidity and body, rounding out the broth's flavor and color.
The step that matters
Simmer for an hour longer, adding a little hot water if beans cook too dry.. Once the remaining ingredients go in, the liquid reduces and can leave beans dry or scorched. Adding hot water keeps the level steady so the beans cook evenly and the stew stays brothy.
Flavor stand-ins for the kidney beans
How well each one fits the dish's main ingredients (onion, ham, clove, tomato, sauce, molasses):
- Beansbetter flavor fit
- Peasbetter flavor fit
- Chickpeabetter flavor fit
- Kidney beansthe original
Fit is the average pairing score against onion, ham, clove, tomato, sauce, molasses. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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