Why it works: Celery and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 16,012 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Oyster Bisque
Ingredients
Directions
Prepare
Boil the chopped celery in ½ pint of water for 30 minutes.
Cook the chopped oysters in their own liquor for 10 minutes.
Make the bisque
Rub together the flour and butter in a double boiler.
Gradually add the quart of milk to the flour and butter mixture.
Add the boiled celery and cooked oysters to the milk mixture.
Season with salt and pepper, and cook for 20 minutes.
Serve
Strain the bisque and serve in bouillon cups with a spoonful of whipped cream on top.
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 + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Oyster + buttertop 12% of all pairsSmell alikemoderateCooked together8,184 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
-
Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Oysters
- Provide the main briny, savory flavor of the bisque.
- Milk
- Forms the creamy liquid base of the soup.
- Flour
- Thickens the milk as its starch swells when heated with the butter.
- Butter
- Carries flavor and adds richness, and forms the base for the flour roux.
- Celery
- Adds a fresh, aromatic vegetable flavor and some body to the soup.
The step that matters
Adding the milk to the flour and butter. Flour must be blended smoothly into the butter, and milk added gradually, so starch disperses evenly. Adding it too fast causes lumps and an uneven, thin texture.
Swap the celery
How well each one fits the dish's main ingredients (milk, oyster, butter, flour, pepper):
- Nutmegfits better
- Parsleyfits better
- Cinnamonfits better
- Celerythe original
Fit is the average pairing score against milk, oyster, butter, flour, 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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