Why it works: Celery and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 6,810 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Black Bean Soup
Ingredients
Directions
Prepare the beans
Soak the black beans overnight, then drain.
Add the beans to a pot with the celery root, onion, clove, parsley, and peppercorns tied in cheesecloth. Cover with cold water and boil slowly until tender, adding water as needed.
Purée and thicken
Once soft, remove the seasonings and pass the beans through a sieve, mashing them with a spoon.
Stir in the soup stock.
Melt the butter in a pan, stir in flour, and gradually add to the stock mixture.
Season with salt and pepper.
Serve
In a tureen, add sherry wine, a slice of lemon, egg balls, and diced egg white just before serving.
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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Celery + parsleytop 1% of all pairsSmell alikestrongCooked together6,810 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Clove + peppertop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Beans + celerytop 6% of all pairsSmell alikestrongCooked together1,159 recipes
Shared aroma: 2-methoxy-4-vinylphenol (clove, smoky).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Black beans
- Break down into a smooth purée that forms the body of the soup.
- Soup stock
- Provides the liquid base that carries the flavour and sets the soup's consistency.
- Flour
- Its starch thickens the stock once heated, giving the soup a fuller texture.
- Butter
- Adds richness and carries the flour smoothly into the stock.
- Sherry wine
- Adds aroma and a light acidic brightness to the finished soup.
The step that matters
Adding the flour mixture to the stock. Flour clumps when it meets hot liquid unevenly. Stirring it into melted butter first and adding it gradually lets the starch disperse and thicken the stock smoothly without lumps.
Swap the onion
How well each one fits the dish's main ingredients (beans, celery, butter, flour, clove, parsley, pepper):
- Carrotfits better
- Turnipfits better
- Parsnipfits better
- Onionthe original
Fit is the average pairing score against beans, celery, butter, flour, clove, parsley, 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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