Name: Good Oyster Sauce
Ingredients: 3 dozen small plump oysters; ½ cup oyster liquor; 3 ounces butter; 2 teaspoons flour; ½ cup milk or thin cream (or equal parts of both); ¼ teaspoon salt (to taste); ¼ teaspoon cayenne pepper (finely ground)

Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and 81,283 recipes mention both. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Good Oyster Sauce

Ingredients

3 dozen small plump oysters
½ cup oyster liquor
3 ounces butter
2 teaspoons flour
½ cup milk or thin cream (or equal parts of both)
¼ teaspoon salt (to taste)
¼ teaspoon cayenne pepper (finely ground)

Directions

Prepare the oysters

Open the oysters and save their liquor, straining it into a clean saucepan.
Heat the oysters in the liquor over low heat for 1-2 minutes without boiling.
Remove the oysters and clean them, then add butter and flour to the liquor, stirring constantly until it boils.

Make the sauce

Gradually add the milk or cream while stirring until the sauce boils again.
Season with salt and cayenne pepper, then add the oysters back to the sauce.
Keep the saucepan on low heat until everything is hot and begins to simmer.

Serve

Serve immediately in a heated tureen.

Recipe from a historical cookbook (Internet Archive).

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.

Butter + milktop 7% of all pairs

Aroma overlapmoderate

Mentioned together81,283 recipes

Shared aroma: (z)-4-heptenal (biscuit, cream).
Butter + flourtop 12% of all pairs

Aroma overlaplow

Mentioned together124,287 recipes

Shared aroma: isobutyraldehyde (malty, green).
Oyster + buttertop 12% of all pairs

Aroma overlapmoderate

Mentioned together8,184 recipes

Shared aroma: 2,6-nonadienal (cucumber, green).
Flour + milktop 14% of all pairs

Aroma overlaplow

Mentioned together78,219 recipes

Shared aroma: isobutyraldehyde (malty, green).
Flour + peppertop 19% of all pairs

Aroma overlapmoderate

Mentioned together50,459 recipes

Shared aroma: isobutyraldehyde (malty, green).

Butter and flour share little aroma chemistry, yet 124,287 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

What each ingredient does

Oysters: Provide the main flavour and tender body of the sauce.
Butter: Adds richness and fat that carries the flavour and smooths the sauce.
Flour: Thickens the liquor and butter into a smooth, body-giving sauce.
Milk or thin cream: Adds moisture and creaminess, mellowing the sauce into a smooth texture.