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Oyster Cocktail in Grape-Fruit Shell
Put two tablespoonfuls of tomato catsup, a tablespoonful of chili sauce, a dash of paprika, and a dash of tabasco into a small glass, add six raw oysters for each cocktail. Set in a half grapefruit, from which the pulp has been removed. Surround glass with cracked ice.
A first-course cocktail from the era when the oyster cocktail was standard opening fare at a formal dinner. The proportions are per serving, and the whole thing depends on cold.
- YieldThe quantities given make one cocktail: six oysters and roughly three tablespoons of sauce. Multiply straight across for the number at table.
- The oystersBuy from a dealer who can show you a shellfish tag, keep them at or below 40F, and shuck them yourself within a day. Raw oysters carry Vibrio, and no amount of catsup or tabasco affects that; anyone pregnant, immunocompromised, or with liver disease should not eat them raw at all.
- Cold is the hingeEverything should be refrigerator-cold before assembly: oysters, sauce, glass, grapefruit shell. Chill the shells for half an hour and mix the sauce in advance. A tepid oyster cocktail is unpleasant and less safe.
- The catsup of 1930Commercial tomato catsup of the period was often thinner than today's bottles, and the chili sauce of the period was a chunky tomato-and-pepper relish rather than a hot sauce. If your catsup is very sweet, a squeeze of lemon and a little grated horseradish brings the mix back toward the intended balance.
- Preparing the shellHalve the grapefruit, cut around each segment, and lift the pulp out whole so the membrane walls come with it. Slice a thin coin off the base so the half sits flat, and pour off any accumulated juice before the glass goes in.
- The glassA small stemless glass is the right size, but it needs to hold six oysters plus about an ounce and a half of sauce, so err larger rather than smaller. The oysters should sit in the sauce, not swim.
- ServingSet the filled grapefruit shell on a plate banked with cracked ice and serve immediately with an oyster fork. Do not hold assembled cocktails more than a few minutes.
The oyster cocktail belongs to the American dinner-party repertoire of roughly 1890 through the 1940s, when a cold shellfish course often opened the meal in place of soup, and by 1930 the tomato-and-chili-sauce dressing was conventional enough to be printed with little variation from book to book. Serving it inside a hollowed grapefruit half is presentation of the period: hostess manuals of the twenties and thirties made much of edible containers — tomato cups, pepper cases, orange baskets — as a way of making a plain course look composed without extra service. The old warning against oysters in months without an R is generally traced to the era before mechanical refrigeration and reflects two real facts, that warm water spoils shellfish faster and that oysters spawn in summer and eat poorly then; farmed and cold-shipped stock has blunted the rule without erasing the underlying reasons for it.