This is an excerpt from Een notabel boecxken van cokeryen
(Netherlands, ca. 1510 - C. van Tets, trans.)
The original source can be found at
Willy Van Cammeren's website
To make a brown tart. One shall take soft cheese curds or the yolks of hard boiled eggs and if you want to have it good add spices to it, to wit grains of paradise, ginger, cloves, nutmegs, mace and potsugar. Put this all together in [to the tart case].