No matter which variety you order, your tlayuda will come piled with beans, shredded lettuce, avocado, and two types of cheese. photo credit: Kate Previte Huarache or tlayuda is a very tough call.

Oaxaca, Mexico, is home to the tlayuda, an oversize corn tortilla topped ... or grilled onion and green peppers. Hot sauces or an avocado salsa usually are offered on the side.