Sauce for peiouns

Peiouns is a Middle English word for pigeons.

Source [Two Fifteenth-Century Cookery-Books, T. Austin (ed.)]:

Sauce for peiouns. Take percely, oynouns, garleke, and salt, and mynce smal the percely and the oynouns, and grynde the garleke, and temper it with vynegre y-now: and mynce the rostid peiouns and cast the sauce ther-on a-boute, and serue it forth.