Take off the froth carefully, and boil it half an hour. Fresh cod is eaten with oyster sauce and melted butter, or with the latter alone, with the addition of parsley and three or four eggs boiled very hard, cut up and put into it. The head and shoulders of cod are so much thicker than the other part, that it is impossible to boil the fish whole and have all parts equally cooked. It is therefore a good way to divide it, boil the head and shoulders, and fry the other part, or sprinkle it with salt, and after a day or two, broil it. Even if not injured, fish lose their best flavor soon, and a few hours make a wide difference in the taste of some sorts.
Most kinds of fish are best in cold weather.
Mackerel are best in August, September and October. Halibut in May and June. Pond fish should be soaked in strong salt and water to take out the earthy taste. A boiled fish is done when the eyes turn white. When you broil fish, rub the gridiron with lard or drippings, to prevent its sticking.