Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Oyster Cream Soup
Ingredients
Directions
Prepare the oysters
Remove shells from 1 quart of oysters and strain their liquid.
In a pot, combine oysters with their liquid and enough water to make 1 quart of liquid; bring to a boil.
Rub the oysters through a fine sieve with a potato masher, moistening with the liquor, and keep warm.
Make the cream base
In a saucepan, melt 2 tablespoons of butter and stir in 2 tablespoons of flour until bubbling.
Gradually add 1 quart of boiling milk, stirring until smooth, then mix in the oyster pulp and liquor.
If the mixture is thicker than cream, add more boiling milk until desired consistency is reached.
Season and serve
Season with salt and pepper, bring to a boil, and serve with small crackers or fried crusts.
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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Butter + milktop 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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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 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 flavor and body of the soup as they break down into the pulp.
- Butter
- Adds richness and fat that carries flavor and smooths the soup's mouthfeel.
- Flour
- Cooked with butter, it thickens the milk into a smooth, creamy base.
- Milk
- Forms the creamy liquid base that gives the soup its body and mild sweetness.
The step that matters
Adding the boiling milk to the roux. Adding the milk gradually while stirring keeps the flour evenly dispersed, so the base becomes smooth instead of lumpy. Starch thickens as it heats, so the mixture should be checked for consistency before adding more milk.
“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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