The Book of Household Management by Mrs. Beeton

246. Crayfish should be thrown into boiling water, to which has been

added a good seasoning of salt and a little vinegar. When done, which will be in 1/4 hour, take them out and drain them. Let them cool, arrange them on a napkin, and garnish with plenty of double parsley. _Note_.--This fish is frequently used for garnishing boiled turkey, boiled fowl, calf's head, turbot, and all kinds of boiled fish. POTTED CRAYFISH.