This is an excerpt from Two Fifteenth-Century Cookery-Books
(England, 1430)
The original source can be found at
the University of Michigan's "Corpus of Middle English Prose and Verse"
Blaumanger of fissh. Nym a pond of ris, seth hem fort hit berste, let hem kele: cast therto mylk of two pond of almandes / nym ye perch other ye loppestere or drie haddok, tese therto, and boille hit / cast therto sugur, and 3if forth.
Other versions of this recipe:
Blanc maungere of fysshe (Liber cure cocorum [Sloane MS 1986])
BLANCMANGE OF FISH (Libre del Coch)
A blancmanger for perch (Wel ende edelike spijse)
Blamanger of Fyshe (Two Fifteenth-Century Cookery-Books)
FOR TO MAKE BLOMANGER OF FYSCH (Forme of Cury)