Why it works: Beans and mustard match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 852 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Dry White Beans, Robert
Ingredients
Directions
Prepare the beans
Cook the beans as directed in a previous recipe.
Drain the beans in a colander.
Make the sauce
In a saucepan, melt the butter.
Sauté the chopped onions lightly. Drain off the butter.
Add the mustard flour diluted with the Espagnole sauce to the saucepan.
Stir in the cooked beans and season with salt, pepper, and nutmeg.
Cover the saucepan and let it simmer for 20 minutes.
Finish and serve
Before serving, add a piece of butter and toss the beans until melted.
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 + mustardtop 4% of all pairsSmell alikestrongCooked together852 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + mustardtop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Beans + oniontop 7% of all pairsSmell alikestrongCooked together5,242 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + nutmegtop 7% of all pairsSmell alikestrongCooked together13,015 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Flour + nutmegtop 8% of all pairsSmell alikemoderateCooked together18,623 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Dry white beans
- Form the main body of the dish, becoming tender as they cook and absorb the sauce.
- Butter
- Adds richness and a silky mouthfeel to the onions and the finished beans.
- Onions
- Provide sweetness and aroma as they soften gently in the butter.
- Mustard flour
- Adds a sharp, pungent bite that balances the richness of the sauce.
- Espagnole sauce
- Supplies body, savory depth and moisture to coat the beans.
The step that matters
Simmering the beans covered. Gentle covered simmering lets the beans soak up the sauce and warm through without drying out or breaking apart. Mustard flour must be diluted fully first, otherwise it can clump and taste harsh.
Swap the onion
How well each one fits the dish's main ingredients (beans, butter, mustard, flour, sauce, pepper, nutmeg):
- Shallotfits better
- Horseradishfits better
- Spinachfits better
- Onionthe original
Fit is the average pairing score against beans, butter, mustard, flour, sauce, pepper, nutmeg. 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.
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.
German Style String Beans7 recipes
Tomato Soup526 recipes
Brown Bread461 recipes
Mutton Broth292 recipes