Why it works: Parsley and thyme match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 9,057 recipes mention both. Both carry cuminaldehyde, which smells Spicy, cumin. The science ↓
Oyster-soup
Ingredients
Directions
Prepare the oysters
Drain oysters from their liquor using a fork.
Wash oysters in water to remove grit.
Make the soup
In a pot, combine oysters, bacon, parsley, thyme, onion, and strained oyster liquor.
Season with pepper and coarse sea salt.
Boil slowly for 30 minutes.
Add butter rolled in flour and cream 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 aroma chemistry they share, and how many recipes mention both.
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Parsley + thymetop 1% of all pairsAroma overlapstrongMentioned together9,057 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Parsley + peppertop 2% of all pairsAroma overlapstrongMentioned together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Thyme + peppertop 4% of all pairsAroma overlapmoderateMentioned together11,585 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Thyme + oniontop 7% of all pairsAroma overlapmoderateMentioned together11,171 recipes
Shared aroma: coumarin (sweet, hay).
-
Butter + creamtop 8% of all pairsAroma overlapmoderateMentioned together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Oysters
- Provide the main flavor and tender texture of the soup.
- Bacon
- Adds smoky, savory fat that flavors the broth.
- Onion
- Adds savory sweetness and aroma as it softens in the broth.
- Butter rolled in flour
- Flour and butter thicken the soup, giving it a smoother body.
- Cream
- Adds richness and a silky, smooth texture to the soup.
The step that matters
Add butter rolled in flour and cream just before serving. Flour thickens the liquid only when it is heated, and cream can curdle or separate if boiled for long. Adding them at the end lets the soup thicken smoothly and keeps the cream silky.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (oyster, parsley, thyme, pepper, butter, flour, cream):
- Shallotbetter flavor fit
- Parsnipbetter flavor fit
- Leekbetter flavor fit
- Onionthe original
Fit is the average pairing score against oyster, parsley, thyme, pepper, butter, flour, cream. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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