The term MEXICAN SNACK FOOD can be summarized as a four-letter word: TACO. Tacos are a traditional Mexican dish consisting of a corn or wheat tortilla filled with various ingredients such as meat, cheese, beans, lettuce, and salsa. They are usually served with a side of guacamole, sour cream, and/or hot sauce. Tacos are a popular snack food in Mexico and have become increasingly popular in other parts of the world.