Pepper noodles are called in the north, which is actually pepper powder. Its function is to remove fishy smell and freshen up.

PS：

Pepper is a vine native to India and grows on trees or piles. Also known as Gu Yue, Kurokawa and Shirakawa. It can only grow in tropical areas with an annual precipitation of 2500mm, and it needs a dry and hot interval in the middle of the growing period. Indonesia, India, Malaysia, Sri Lanka and Brazil are the main exporters of pepper. Its seeds contain volatile oil, piperine, crude fat, crude protein, etc., and are popular condiments. Pepper noodles are the powder ground by this seed. It can also be called pepper.

Pepper (Hunji ā o f ě n), also known as Gu Yue powder, is the fruit of a tropical plant pepper tree, which is mainly produced in India, Vietnam, Indonesia, Thailand, Singapore and other countries, and also produced in Hainan Island, Guangdong Province, China. Pepper is spicy and fragrant, and it is hot. It can not only remove fishy smell and enhance fragrance, but also remove cold.