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 ↓
Oyster Soup
Ingredients
Directions
Make the broth
Wash the veal in cold water and place it in a soup kettle with enough cold water to cover it.
Skim the surface as it heats until no more scum rises.
Cover and boil slowly for 3 hours.
After 1 hour, add the celery root, then the parsley.
Prepare the oysters
In a separate saucepan, heat the oysters with ½ pint of cold water until scalding hot, but do not boil.
Pour the oysters into a colander over a dish to catch the liquid.
Finish and serve
Remove the veal, meat, and bones from the soup.
Add the oyster liquid back into the kettle.
Season with salt and pepper.
Add the dumplings and cook for 5 minutes.
Add the oysters.
Serve without boiling the soup again.
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).
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Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Veal + parsleytop 17% of all pairsSmell alikelowCooked together4,766 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Veal + celerytop 18% of all pairsSmell alikelowCooked together2,336 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Veal
- Long simmering releases flavour and gelatin, giving the broth body and a rich base.
- Oysters
- Add a briny, savoury aroma and distinctive flavour to the finished soup.
- Celery root
- Adds a mild, earthy aroma and subtle savoury flavour to the broth.
- Dumplings
- Soak up broth and add a soft, starchy texture to the soup.
The step that matters
Adding the oysters at the end without re-boiling. Oysters toughen and shrink when overcooked, and boiling can make them rubbery and dull their delicate flavour. Adding them to the hot soup just before serving keeps them tender and the broth clean-tasting.
Swap the celery
How well each one fits the dish's main ingredients (veal, parsley, oyster, pepper):
- Marjoramfits about as well
- Thymefits about as well
- Sagefits about as well
- Celerythe original
Fit is the average pairing score against veal, parsley, oyster, 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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