This section is from the book "Hand-Book Of Practical Cookery", by Pierre Blot. Also available from Amazon: Hand-Book of Practical Cookery, for Ladies and Professional Cooks.
Clean, and cut in slices half an inch thick, or leave entire, as it suits you; skin it well; lay it in a crockery vessel, spread over it some chopped parsley, grated nutmeg, salt, pepper, and two gills of white wine (this is for about three pounds), leave thus two hours; then take the fish only, envelop it in buttered paper, fix it on the spit before a good fire, baste with the wine and seasonings from the crockery dish, and when nearly done take the paper off; finish the cooking, basting the while, and serve with the drippings, to which you may add a little vinegar, sweet-oil, and mustard.
If there is any left, you can serve it cold the next day with an oil-sauce.
Scale, clean, and prepare the fish as directed. For one pound of fish put about one ounce of butter in a frying-pan on the fire, and when melted put the fish in; fry it on both sides, and serve it with a maitre d'hotel.
Clean and prepare as directed three pounds of fish, cut it in pieces about two inches long. Put in a fish-kettle four ounces of butter, kneaded with a teaspoon-ful of flour, and the same of chopped parsley, add two or three mushrooms cut in pieces, salt and pepper, then the fish and a glass of claret wine, or a wine-glass of vinegar; cover with water, set on a good fire, boil gently till cooked; dish the pieces of fish, strain the sauce on them, spread the pieces of mushrooms over, and serve.
When cleansed, cut out the backbone from the head to within two inches of the tail, and fill its place with the following mixture: soak stale bread in cold water and then squeeze the water out; put one ounce of butter into a saucepan and set it on the fire; as soon as melted, fry in it one middle-sized onion, chopped fine; then add the bread; stir for two minutes, add also salt, pepper, a pinch of nutmeg, two or three tablespoonfuls of broth; stir again two or three minutes; take the pan from the fire, add a yolk of egg, put back on the fire for half a minute, stirring the while, take off again, add a teaspoonful of chopped parsley, and use. When full, tie the fish with twine; place it in a baking-pan, salt and pepper it; spread a little but ter on it also; cover the bottom of the pan with cold water, bake and serve with its gravy.
If there is not gravy enough, or if it has dried away, add a little broth a few minutes before taking from the oven.
Bone and skin the fish as directed. For a fish weighing about two pounds, spread one ounce of butter on a tin plate or baking-pan, spread over it half an onion, chopped; place the pieces of fish on them; add salt, pepper, a tablespoonful of vinegar or a wine-glass of white wine, and half an ounce of butter; spread over and bake.
While it is baking, put in a small saucepan one ounce of butter, and set it on the fire; when melted, add half a tablespoonful of flour, stir, and, when it is turning yellow, add also about one gill of broth, two tablespoonfuls of meat-gravy, the juice of the fish when baked (if the fish. be not done when the time comes to put the juice in the pan, keep the pan in a warm place, and wait), salt, and pepper; boil gently about five minutes, stirring occasionally. Place the fish in a tin or silver dish, spread three or four mushrooms sliced over it; turn the sauce gently over the whole, dust with bread-crumbs; put half an ounce of butter, in four or five pieces, on the whole; bake ten or twelve minutes, and serve in the dish in which it is.
 
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