Chipotle is betting that Mexico's familiarity with its ingredients and appreciation for fresh food will win over consumers.

Oversized flags from three countries dominate Oscar Del Cueto Cuevas’ office in Mexico City: one from the US, another from Mexico and the last from Canada.

Even as other fast-casual chains have struggled with rising prices and inflation-weary consumers, Chipotle is growing at a rapid clip. At a time when many fast-casual chains are struggling to get customers in the door,