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Preserved Oysters

Preserved oysters are dried oyster paste used as a sauce base.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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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 ↓

Preserved Oysters

Ingredients

Directions

Prepare and shape

  1. Open the oysters carefully, cutting only the gristle that attaches the shells.

  2. Pound the oysters in a mortar with the salt until well mixed.

  3. Rub the mixture through a fine sieve and return it to the mortar.

  4. Add enough dried flour to form a paste.

  5. Roll the paste out to about ¼ inch thick.

  6. Cut the paste into 1‑inch squares.

Dry and powder

  1. Place the squares in a Dutch oven to dry gently, turning every 30 minutes.

  2. Once dried (about 4 hours), crumble the pieces.

  3. Pound the crumbled pieces fine.

  4. Sift the fine powder into bottles.

  5. Seal the bottles and store in a dry place.

Make the sauce

  1. Melt the butter in a pan.

  2. Add the oyster powder and milk.

  3. Stir until it boils.

  4. Season with salt.

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Oyster + buttertop 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. Oyster + milktop 20% of all pairs
    Smell alikemoderate
    Cooked together2,933 recipes

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

Flour and butter 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 oyster flavour, which is concentrated into the dried powder.
Flour
Binds the mixture into a paste that holds its shape while drying.
Oyster powder
Adds concentrated oyster flavour to the finished sauce.
Butter
Adds fat for richness and a smooth mouthfeel in the sauce.
Milk
Forms the liquid base of the sauce and adds creaminess and mild sweetness.

The step that matters

Drying the squares gently. Turning the squares every 30 minutes helps them dry evenly. Hot or uneven drying can scorch the edges while leaving the centres damp, and damp pieces can spoil before the powder is stored dry.

“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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