This section is from the book "Cookery Reformed: Or The Lady's Assistant", by P. Davey and B. Law.
Take any quantity of good fresh butter, lay it in a deep broad earthen pan before the fire to melt, and if any scum arises take it off; then pour it into another pan, quite clear from the whey or butter milk that finks to the bottom. This precaution is absolutely necessary, otherwise it will not keep.
Take a tongue, beef, etc. after it has been boiled and is cold; cut it small, and beat it in a marble mortar, with two anchovies and melted butter, till it comes to a paste; then lay it down close in your pots, and cover it with clarified butter. You may season any sort of cold fowl, and put it into a pot whole; cover it with butter in the same manner.
Lay a piece of fat and lean venison in a broad earthen pan, and stick bits of butter all over it; then cover the top with brown paper, tie it on, and bake it : when it is enough, take the venison out, lay it in a dish, and drain it; when it is cold, take off the skin, but not the fat, and then cut it small; put it in a marble-mortar, with a little of the butter it was baked in, and beat it till it comes to a paste, season it with mace, cloves, nutmeg, pepper, and salt; then lay it done close in a pot, and cover it with clarified butter.
Take a large eel that is skin'd and very well clean'd, dry it in a cloth, and cut it into pieces as long as one's finger : then season it with mace, nutmeg, pepper, salt, and salt-petre, all in fine powder; lay them in a pot, and cover them with clarified butter : bake it in a quick oven, for half an hour; or till they are enough; then take the pieces out with a fork, and lay them on a coarse cloth to drain: when they are cold, season them again as before; afterward take the butter they were baked in, clear from the gravy of the fish, set it before the fire, and when it is melted, pour the clear butter over the eels.
After the lampreys are skinned, cleansed with salt, and wiped dry, season them with pepper, mace, and cloves beaten to powder, and mixt with salt; lay them in a pan, cover them with clarified butter, and bake them for an hour; then proceed in the same manner as in potting eels.
Directions for potting chars are almost super-fluous, for they are to be met with only in two places in the kingdom : however, when any fall into your hands, cut off the fins, tails, and heads, then lay them in long pans in rows, bake them, and proceed as in potting eels.
After the pike is scaled, cut off the head, and split it down the back quite in two; then take out the back-bone, and the reft that join to it: this done, strew bay-salt and pepper on the inside; lay the sides together, roll it round, and lay it in a pot; cover the pot, and bake it for an hour: afterwards take it and drain it on a coarse cloth; when it is cold, put it into the pot, and cover it with clarified butter.
 
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