What is "bits of crumpet"

Usage examples of "bits of crumpet".

There are oodles of bits of crumpet back in the Blight, lying around with their legs open and their little twots pulsating, just waiting for handsome young sergeants like us to come home.

Nessarose, balanced on a sofa next to Nanny, who assisted by lifting teacups and crumpling buttery bits of crumpet, was in green silks, the colors of moss, emerald, and yellowgreen roses.