According to Wikipedia, guacamole is an avacado based relish or dip which goes back to the time of the Aztecs. Generally the basic ingredients for guacamole is avacodos, lime juice and salt and other variations include onion, tomato, hot chile peppers, garlic, coriander and other spices.
Guacamole is somthing that has become an acquired taste for me, when I first tried it a few years back I hated it but now it is somthing that I love mainly due to lots of meals out at Chiquitos in Leicester!
Below is a guacamole recipe which goes without the tomatoes and has been kept rather simple. I hope you enjoy this, I can't wait to try it myself!