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"
xix - Venyson y-bake. Take hoghes of Venyson, and parboyle hem in fayre Water an Salt; and whan the Fleyssche is fayre y-boylid, make fayre past, and cast thin Venyson ther-on; and caste a-boue an be-nethe, pouder Pepir, Gyngere, and Salt, and than sette it on the ouyn, and lat bake, and serue forth.
Other versions of this recipe:
Venyson ybake (Two Fifteenth-Century Cookery-Books)