This is an excerpt from A Noble Boke off Cookry
(England, 1468)
The original source can be found at
MedievalCookery.com
To mak a gilly of fleshe take conys and fley them and skald pegions chop them and fley of the skyne skald chekins and chope kiddes and put all to gedur and boile it in red wyne then tak it upe and lay it in a clene clothe dry the peces of the kid pigions and conys and couche them in dishe and chope chekkins and put ther to then set the chekkins in a cold place where it may stand stille then set the brothe to the fyere agayne and luk it be well strened that no fat abid ther on then tak skalded caluys feet and lay them in the same brothe till they be tender and luk the brothe be clene scomed sessen it up with salt and serue it.
Other versions of this recipe:
Gelye de Fysshe (Two Fifteenth-Century Cookery-Books)
Fish Jelly (Du fait de cuisine)
GELE OF FYSSH (Forme of Cury)
Gelee of fysche (Fourme of Curye [Rylands MS 7])
Gely of Fysh (Thomas Awkbarow's Recipes (MS Harley 5401))
Gele of fysshe (Ancient Cookery [Arundel 334])
If you want to make fish jelly (Enseignements qui enseingnent a apareillier toutes manieres de viandes)
Jelly ready to serve and good of fish (Libro di cucina / Libro per cuoco)