Why it works: Pepper and celery match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 16,012 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Oyster Soup
Ingredients
Directions
Boil the knuckle of veal with onion, mace, red peppers, celery leaves, and salt in 4 quarts of water until the meat is boiled to shreds.
Strain the liquid and let it cool. Skim off the fat and discard any grounds at the bottom.
Put the jelly over the fire and bring to a boil.
Add the cream and milk, then thicken with flour or powdered oyster crackers blended to a cream-like consistency.
Stir until thickened, then add the oysters and stir constantly for 3-4 minutes.
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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Pepper + celerytop 5% of all pairsAroma overlapstrongMentioned together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Onion + celerytop 7% of all pairsAroma overlapmoderateMentioned together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
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Onion + peppertop 11% of all pairsAroma overlapmoderateMentioned together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Milk + flourtop 14% of all pairsAroma overlaplowMentioned together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Celery + flourtop 15% of all pairsAroma overlapmoderateMentioned together6,905 recipes
Shared aroma: isobutyraldehyde (malty, green).
Milk and flour share little aroma chemistry, yet 78,219 recipes mention both: they likely work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the mace
How well each one fits the dish's main ingredients (veal, onion, pepper, celery, cream, milk, flour):
- Turmericbetter flavor fit
- Parsleybetter flavor fit
- Nutmegbetter flavor fit
- Macethe original
Fit is the average pairing score against veal, onion, pepper, celery, cream, milk, flour. 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).
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