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Oyster Sauce

A sauce made with butter, flour, milk, salt, and oysters, cooked until thickened and oysters curl.

From an old cookbook · modernised transcription
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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 Sauce

Ingredients

Directions

The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Make the sauce

  1. In a saucepan, melt the butter over medium heat.

  2. Stir in the flour and cook for 1-2 minutes.

  3. Gradually add the milk, stirring constantly until the mixture thickens.

Finish and serve

  1. Add the salt and oysters, cooking until the oysters curl at the edges.

  2. Serve the sauce with boiled turkey or chicken pie.

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 their aromas overlap, and how often cooks already put them together.

  1. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + oystertop 12% of all pairs
    Smell alikemoderate
    Cooked together8,184 recipes

    Shared aroma: 2,6-nonadienal (cucumber, green).

  4. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Milk + oystertop 20% of all pairs
    Smell alikemoderate
    Cooked together2,933 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

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

Butter
Provides fat and rich flavor, and forms the base of the roux with flour.
Flour
Thickens the sauce as its starch swells in the hot butter and milk.
Milk
Forms the liquid body of the sauce, which thickens as it heats with the roux.
Oysters
Add briny, savory flavor; they firm and curl as they cook through.

The step that matters

Adding the milk gradually while stirring constantly. Flour starch must be dispersed evenly in the fat before liquid is added. Pouring in the milk slowly and stirring constantly prevents lumps and lets the starch swell smoothly into an even, thickened sauce.

“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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