Vatos is a Seoul culinary hotspot and probably the most popular Mexican restaurant in Korea. The place is always packed on the weekends but the food is unbelievably good so it's worth the wait. The famous kimchi carnitas fries are a must order when visiting Vatos.
The atmosphere and friendly staff makes the whole Vatos experience more enjoyable. Vatos is conveniently located in Itaewon, the heart and soul of all things foreign so finding the location is going to be a breeze. 

Kimchi Carnitas Fries - 12500won
Chimichurri Chicken Tacos - 9900won/3 tacos