Mexican cuisine staple is a term that refers to two of the most popular dishes in Mexican cuisine: Tomatillo and Taco. Tomatillo is a small green fruit with a tart flavor, often used in salsas and sauces. Taco is a traditional Mexican dish consisting of a corn or wheat tortilla filled with various ingredients such as meat, cheese, beans, and vegetables. Both Tomatillo and Taco are staples in Mexican cuisine and are enjoyed around the world.