Trick-or-Treat!! Gumdrop Cookie Shop Halloween decorated cookies are here! The category features eight different unique decorated cookies filled with ghosts, goblins, jack o’lanterns and haunted houses! These hand decorated cookies are sure to wow Halloween party guests or those tinier guests that will come-a-knockin’ on October 31st. If you prefer to have these gourmet decorated cookies customized with text, feel free to email us and we’ll send you a free proof over email.