This is an excerpt from Thomas Awkbarow's Recipes (MS Harley 5401)
(England, 15th century)
[based on a concordance]
The original source can be found at
Thomas Gloning's website
Potage of Prvnes. Recipe prvnes & wesh þam clene, & frote þam wele in a cop tyll þe juyse be wele wrong oute; þan do it in a pot & put þerto whyte grece & hony or sugure, & boyle it togyder, & thyk it with þe floure of rise or of wastylls. And when it is sothen dress it vp in dyshys, & cast þeron powdyr of galyngay, & serof it forth.