Mexican fast food is a popular cuisine in many countries around the world. Tacos and taco are two of the most popular dishes in this cuisine. Tacos are made with a variety of fillings, such as beef, chicken, pork, or vegetables, wrapped in a corn or wheat tortilla. Taco is a single tortilla filled with a variety of ingredients, such as beef, chicken, pork, or vegetables. Both tacos and taco are staples of Mexican fast food.