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Oyster Soup

A creamy soup made with milk, oysters, biscuits, butter, and seasonings.

From an old cookbook · modernised transcription
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Why it works: Milk and butter 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 ↓

Oyster Soup

Ingredients

Directions

Heat the milk and oysters

  1. In a pot, bring the milk to a boil.

  2. Add the rolled biscuits, butter, salt, and pepper.

  3. Once boiling, add the oysters and remove from heat immediately.

Make the oyster liquor

  1. In another pot, heat the water with the oysters until it simmers, then strain into a hot dish.

Thicken and serve

  1. In the same pot, melt the butter, then sprinkle in the flour and cook for a few minutes while stirring.

  2. Gradually add the oyster juice and the boiled cream, seasoning with cayenne, salt, and pepper.

  3. Add the oysters, ensuring it does not boil, and serve immediately.

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.

  1. Milk + buttertop 7% of all pairs
    Aroma overlapmoderate
    Mentioned together81,283 recipes

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

  2. Butter + creamtop 8% of all pairs
    Aroma overlapmoderate
    Mentioned together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  3. Biscuit + flourtop 9% of all pairs
    Aroma overlapstrong
    Mentioned together889 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Biscuit + peppertop 12% of all pairs
    Aroma overlapmoderate
    Mentioned together841 recipes

    Shared aroma: nonanal (fat, citrus).

  5. Butter + flourtop 12% of all pairs
    Aroma overlaplow
    Mentioned together124,287 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 flavor and delicate texture, which toughen and shrink if overheated.
Milk
Forms the liquid base of the soup that the other ingredients are cooked into.
Flour
Cooked in butter to form a roux that thickens the soup.
Butter
Adds richness and flavor and forms the base for the roux.
Heavy cream
Adds richness and a smooth, velvety mouthfeel.
Rolled biscuits
Soften in the hot milk, adding body and helping to thicken the soup.

The step that matters

Adding the oysters at the end without boiling. Oysters are delicate proteins that become firm, rubbery, and shrunken when boiled. Adding them last and keeping the soup just below boiling keeps them tender and plump.

“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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