Chili oil jars, although it may also be made from scratch at home. It is usually available by request at Chinese restaurants. Chili oil has various names in China. It is called (chili pepper splashed with oil) in Shaanxi province and 辣油("spicy oil") or 紅油("red oil" ) in Sichuan province. Among those names the most popular one is 辣椒油("chili pepper oil"). In China, chili oil is prepared basically by pouring hot vegetable oil slowly on chili pepper powder or chopped chili pepper. Many other ingredients can be added alongside to enrich flavor such as Chinese black vinegar, minced garlic, dried ginger skin,
Korean regional cuisine fish are caught in the adjacent sea. Although Hamgyong cuisine is not salty, garlic and chili pepper are used heavily as seasonings. The alternative name, "dadegi", for chili powder-based sauce originates from the region. "Hamhung naengmyeon", a cold noodle dish, is made with the sauce. It originates in Hamhung, South Hamgyong province, and is topped with "hoe" (sliced raw fish) seasoned with hot and spicy sauce. The noodles are mixed with the "hoe" and sauce, so called "hoe naengmyeon", which is different from "naengmyeon" eaten in the rest of North Korea. However, the taste of North Hamgyong province is plainer