From Webkinz Insider Wiki
Aminkle Grog is a blender recipe made with blueberries, licorice, and raspberries.
It was solved by Webkinz Insider member Lucy Hippo on December 5, 2011.
This recipe was solved one year and twenty five days after its release date.
Aminkle Grog was unsolved for more than one year which makes it one of only nine secret recipes to have ever reached that milestone. The others are: Boiled Wyvernacle, Epochiquox Glimmer, Gladdugrumble, Petallastar Pop, Spiny Sporcues, Spranklebeek, Tusslepuff, and Yummytummy Tumbler.