Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
To Boil White Haricot Beans
Ingredients
Directions
Cook the beans
Rinse the beans and place them in a clean saucepan with 2 quarts of cold water and 2 tablespoons of butter.
Boil slowly for about 3 hours.
Drain the water from the beans.
Finish and serve
Add salt, pepper, chopped parsley, and 2 ounces of butter.
Heat on the stove, stirring for a few minutes until thoroughly hot.
Serve immediately.
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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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Beans + parsleytop 8% of all pairsSmell alikestrongCooked together1,376 recipes
Shared aroma: linalool (floral, citrus).
-
Beans + peppertop 11% of all pairsSmell alikemoderateCooked together4,733 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Beans + buttertop 19% of all pairsSmell alikemoderateCooked together2,799 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- White haricot beans
- Provide the main body and starchy texture of the dish once softened by long gentle boiling.
- Butter
- Adds richness and a silky mouthfeel to the beans as they finish heating.
The step that matters
Boil slowly for about 3 hours. A gentle simmer softens the beans evenly without breaking their skins. A hard rolling boil can burst them and leave the texture ragged, so keep the water just bubbling.
Swap the beans
How well each one fits the dish's main ingredients (butter, pepper, parsley):
- Chickpeafits better
- Black-eyed peafits about as well
- Walnutfits about as well
- Beansthe original
Fit is the average pairing score against butter, pepper, parsley. 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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