Ncistas, Go. Do. Avocado popsicles. You probably all know about this already, as it seems to be a hipster destination, and I am the least hip of us all, but if not, here's a good description, with photos!
http://butenoughaboutyou.blogspot.com/2005/07/perfect-way.html
http://butenoughaboutyou.blogspot.com/2005/07/perfect-way.html