16 with cheese and avacado, no tomatos.
If you want a taste explosion, go for the Gargantuian. It'll take you a week to eat, but holy cow, amazingness.
The Gargantuian is pretty damn good, but it so big. My former roommate, who is somewhat of a circus act when it comes to eating food, used to down one in a single sitting. I, on the other hand, got a few meals out of that sucker.