If a regular burrito from Chipotle just isn't huge enough, you might want to give the Quesarito a try. It's the burrito of your choice wrapped in a full cheese quesadilla instead of just a flour tortilla. You'll have to ask for it though; it isn't on the regular menu.
We've talked about secret menu items before, including fun things at places like Subway, Panera, and Starbucks. The folks at #HackTheMenu have a list of items you can order from Chipotle's secret menu, including the monstrous Quesarito. You may find some locations are more willing to make it for you than others, but if they serve quesadillas, they likely will. If they don't know what a Quesarito is, just ask them to use a cheese quesadilla as the shell for your burrito.
Hit up the secret menu at #HackTheMenu to learn more.
Quesarito: Chipotle Secret Menu | #HackTheMenu
Photo by SupremeCrete.