This is an excerpt from Enseignements qui enseingnent a apareillier toutes manieres de viandes
(France, ca. 1300 - D. Myers, trans.)
The original source can be found at
MedievalCookery.com
If you want to make lamprey galentine, take leavened bread and grind and put it to cook with the blood of the lampreys, and good white wine, and be leavened in the same good wine, and then add a great plenty of pepper and salt that it is enough; then take the lampreys and put them on a towel to cool, and Then take bread, grind it and temper with vinegar. And when you have done this, then strain it through a sieve, and then put it in a clean pan and make it boil and stir all day that it doesn't burn; then put it to cool and stir it well, and then take your ground ginger, cinnamon and cloves, then add nicely on your lampreys and cook, and add your bariz.
Other versions of this recipe:
Lamprayes in galentine (Liber cure cocorum [Sloane MS 1986])
Lampreys in galentyn (Two Fifteenth-Century Cookery-Books)
Galantine for 100 lampreys (Wel ende edelike spijse)
FOR TO MAKE LAMPREY FRESCH IN GALENTYNE (Forme of Cury)
Lamprey in galantine (Le Viandier de Taillevent)
Lamprey in galentyne (A Noble Boke off Cookry)
Lamprons in Galentyne (Two Fifteenth-Century Cookery-Books)
Laumpray in Galantyne (Thomas Awkbarow's Recipes (MS Harley 5401))
LAUMPREYS IN GALYNTYNE (Forme of Cury)
Laumpreys in galentyne (Fourme of Curye [Rylands MS 7])
LAUMPROUNS IN GALYNTYNE (Forme of Cury)
Laumprouns in galyntyne (Fourme of Curye [Rylands MS 7])
FOR TO MAKE SALT LAMPREY IN GALENTYNE (Forme of Cury)