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Oyster Powder

A dried, powdered mixture of oysters, sea salt, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Oyster and flour are a kitchen classic. They rank in the top 25% of all ingredient pairs, and cooks put them together in 4,582 recipes. Both carry hexanal, which smells grass, green. The science ↓

Oyster Powder

Ingredients

Directions

Prepare the paste

  1. Open the oysters carefully and pound them in a mortar.

  2. Add the coarse sea salt and rub the mixture through a coarse sieve.

  3. Return the pulp to the mortar and mix in enough fine flour to form a paste.

  4. Roll out the paste several times to a thickness of about ⅛ inch and cut into 1-inch squares.

Dry and powder

  1. Place the squares in a Dutch oven over a slow fire to dry without burning, turning them every 30 minutes.

  2. After about 4 hours, when they begin to crumble, pound them finely and sift the powder.

  3. Store the powder in bottles and seal them.

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. Oyster + flourtop 25% of all pairs
    Smell alikemoderate
    Cooked together4,582 recipes

    Shared aroma: hexanal (grass, green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Oysters
Provide the concentrated oyster flavour that gives the powder its savoury character.
Fine flour
Binds the pulp into a workable paste that holds its shape while rolling and cutting.
Coarse sea salt
Seasons the mixture and helps draw out moisture from the oyster pulp.

The step that matters

Drying the squares over a slow fire. Heat must be low and steady, and the squares turned regularly, so they dry through without scorching. Burning gives a bitter, acrid flavour and spoils the powder.

“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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