Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Cream of Oyster Soup
Ingredients
Directions
Make the soup base
Heat the milk and strained oyster liquor in separate pots.
In a saucepan, rub together the butter and flour, cooking until it bubbles.
Pour the hot milk into the butter-flour mixture, stirring until thick and smooth.
Finish and serve
Add the oyster liquor, drop in the oysters, and cook for 3 minutes.
Season to taste and serve immediately, adding lemon juice after plating.
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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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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).
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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 seafood flavor and tender texture in the soup.
- Milk
- Forms the creamy liquid base that gives the soup its body.
- Butter
- Adds richness and fat, and combines with flour to start the thickening base.
- Flour
- Thickens the milk into a smooth, creamy base when cooked with butter.
- Oyster liquor
- Adds concentrated briny oyster flavor to the broth.
The step that matters
Thickening the milk into the butter-flour mixture. Pouring the hot milk in gradually while stirring keeps the flour smooth. Cooking the butter and flour first lets the starch swell evenly, so the soup thickens without lumps.
Swap the mace
How well each one fits the dish's main ingredients (oyster, milk, butter, flour, lemon, pepper):
- Parsleyfits better
- Marjoramfits better
- Nutmegfits better
- Macethe original
Fit is the average pairing score against oyster, milk, butter, flour, lemon, 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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