Folded Treat is a term used to describe a type of food that is folded in half and filled with a variety of ingredients. The most popular example of this type of treat is the taco, which is a Mexican dish consisting of a folded tortilla filled with a variety of ingredients such as beef, chicken, beans, cheese, lettuce, tomatoes, and salsa. Tacos are usually served with a side of guacamole or sour cream.