Founded in 1993 by Steve Ells and only second to McDonalds, Chipotle Mexican Grill serves a variety of food like quesadillas, burritos, and rice bowls. With 3,200 restaurants worldwide, the most popular item on Chipotle remains the burrito. Customers are able to customize it with many toppings, making it one of the most flexible options on the menu, as well as the one that can satisfy the most people.