For the same reason that flatbreads of various types have been and are a staple in many parts of the world: * they don't require an elaborate oven to bake * they are done quickly (important where fuel is scarce. read more
Tortilla chips have a plenty of uses in Mexican cuisine. Usually, they are made of the leftovers of old tortillas. People use them to make chilaquiles (a dish made of tortilla chips with sauce, cheese and cream, sometimes served with chicken) or tortilla soup/Aztec soup (a soup made with tortilla chips, cream, avocado and Guajillo chili). read more