Why it works: Beans and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 4,733 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Bean Soup
Ingredients
Directions
Prepare the beans
Place the white beans in a kettle and cover with cold water. Bring to a boil.
Add the baking soda and boil for 20 minutes.
Drain the beans through a colander and rinse with cold water.
Cook the soup
Return the beans to the kettle, add 1 gallon of boiling water, and cook for 1 hour.
In another kettle, boil the salt pork for 30 minutes.
Remove the pork, scrape it well, and add it to the beans.
Season with pepper and coarse sea salt, and cook until the meat is tender.
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.
-
Beans + peppertop 11% of all pairsSmell alikemoderateCooked together4,733 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Beans + porktop 11% of all pairsSmell alikemoderateCooked together2,000 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pork + peppertop 16% of all pairsSmell alikemoderateCooked together22,121 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
- White beans
- Form the body of the soup and thicken it as they soften during long cooking.
- Baking soda
- Raises the pot's alkalinity, helping the beans soften faster.
- Salt pork
- Adds fat and savory flavor to the broth as it cooks.
The step that matters
Add the baking soda and boil for 20 minutes. Baking soda is a small amount, and too much can make beans mushy and give them a soapy taste. Boiling it with the beans helps soften their skins so they cook evenly.
Swap the beans
How well each one fits the dish's main ingredients (pork, pepper):
- Black-eyed peafits about as well
- Beansthe original
- Soybeanfits about as well
- Sesamefits about as well
Fit is the average pairing score against pork, 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.
More bean soup recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Pork Cake107 recipes
Roast Pork82 recipes
German Style String Beans7 recipes
Tomato Soup526 recipes