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To Pickle Oysters
200 large oysters 1 cup vinegar 1 cup white wine 4 teaspoons salt 6 teaspoons whole peppers 1/4 teaspoon mace Drain and clean the oysters, scald the liquor. Strain and add the above named ingredients. Let boil up once, and pour, while boiling hot, over the oysters. After these have stood ten minutes pour off the liquor, which, as well as the oysters, should then be allowed to get cold. Put into a jar and cover tight. The oysters will keep some time.--Miss Parloa.
This is a keeping recipe rather than a cooked dish, and it is the keeping that makes it unusable today. The points below explain where it fails rather than how to adapt it.
- The oysters are never cookedNothing here brings the shellfish to a safe temperature. Boiling liquor poured over 200 raw oysters drops below any pasteurising temperature almost immediately, and ten minutes of standing in cooling brine is a warm hold, not a cook.
- Vibrio is the specific riskRaw and lightly treated oysters are the classic vehicle for Vibrio parahaemolyticus and Vibrio vulnificus, neither of which was known when this was written. Vibrio multiplies fastest in exactly the tepid window this method creates, and V. vulnificus infection is life-threatening for anyone with liver disease or a compromised immune system.
- The acid is far too weak to preserveOne cup of vinegar and one cup of wine, diluted further by the strained oyster liquor and by the water the oysters themselves give up, cannot bring several quarts of shellfish to the pH below 4.6 that inhibits pathogens. Modern pickling of low-acid foods is specified by measured acidity, not by proportion of vinegar to guesswork.
- A tightly covered jar is the wrong container"Put into a jar and cover tight" creates a sealed, low-oxygen, low-acid, unheated environment holding a low-acid food. That is the set of conditions associated with Clostridium botulinum, and the spores are not destroyed by a scald.
- "Will keep some time" is not a storage instructionNo temperature and no duration are given. The assumption in the period would have been a cold cellar or an ice box; the recipe carries none of the information a cook would need to judge whether the jar is still sound. If you want pickled oysters, use a current tested recipe.
- Scale, if you are wonderingTwo hundred large oysters is on the order of a gallon of shucked meat with liquor - a party or a market quantity, not a household side dish. The tiny seasoning measures against that volume are another sign the brine was never expected to do the preserving alone.
- Mace, for the recordMace is the outer covering of the nutmeg seed, sold ground or in blades, warmer and less sweet than the nutmeg inside. It remains easy to buy, and the quarter-teaspoon here would be a whisper across this much shellfish.
The attribution is to Maria Parloa, who ran a cooking school in Boston, wrote several widely reprinted manuals in the 1880s and 1890s, and whose name carried enough authority that flour millers and other food companies commissioned her to write their promotional cookbooks. Pickled oysters belong to a period when oysters were cheap, abundant and shipped inland by the barrel from the Chesapeake and Long Island Sound, and when the standard way to hold a glut was vinegar, spice and a cold cellar. Recipes like this one appear all through nineteenth-century American cookery as a supper dish or a cold buffet item, and they were made in large quantities. What ended the practice was not a change in taste but refrigeration, followed by twentieth-century bacteriology and eventually the shellfish sanitation rules that govern oyster handling today.