You know Chipotle. You’ve definitely eaten at Chipotle. In fact, you probably had lunch at Chipotle sometime in the past week. But how much do you really know about America’s preeminent burrito vendor?

There’s a lot more to the Denver-based chain than just tin foil and giant tortillas. From its origin story as a side project for founder Steve Ells, to how it picks the music that plays in its 1,400 plus locations, we’ve tracked down some of the most interesting facts about the chain that taught us all how to pronounce the name of a certain previously obscure Mexican chili. Here are ten things you didn’t know about Chipotle, including the latest addition to its strictly limited menu.