Early 17th century; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer. Probably either from pasch + egg, or a variant of pace egg with excrescent medial -t-.
Definition of paste egg in US English:
paste egg
(also peyste egg, pyeste egg, peeast egg)
nounˈpeɪst ɛɡ
English Regional, Northern historical
= pasch egg.
Origin
Early 17th century; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer. Probably either from pasch + egg, or a variant of pace egg with excrescent medial -t-.