From Webkinz Insider Wiki
Trickle Treacle is a blender recipe made with cola, pickles, and pumpkin.
It was solved by Webkinz Insider member Auntkinz on October 31, 2007.
This recipe was solved just five hours after its release!
The Webkinz Newz has this to say about the recipe: "A delicious pumpkin full of sweet and spooky goo - is there a tastier drink?"