Aji amarillo chilies are a moderately spicy pepper used in traditional Peruvian cuisine. Aji, or chile peppers, are native to Peru, and the country boasts many distinct indigenous varieties that are used as a base for most of Peruvian traditional cooking. Aji amarillo is the most common type of aji and is one of the most important ingredients in Peruvian cooking. It has a heat level of 6. *Ships from West Coast.