Tijuana Nosh is a term used to describe a type of Mexican-style taco. It is made with a soft corn tortilla filled with a variety of ingredients, such as beef, pork, chicken, cheese, lettuce, tomatoes, and onions. The taco is then topped with a spicy sauce, such as salsa or guacamole. The term Tijuana Nosh is derived from the city of Tijuana, Mexico, which is known for its vibrant street food culture.