Filled tortillas are a popular Mexican dish that can be prepared in a variety of ways. Burritos and tacos are two of the most common types of filled tortillas. Burritos are large flour tortillas filled with a variety of ingredients such as beans, rice, meat, cheese, and vegetables. Tacos are smaller corn tortillas filled with similar ingredients. Both burritos and tacos are typically served with salsa, guacamole, and sour cream.