Tianmian sauce, also known as sweet bean sauce, sweet flour sauce or sweet wheat paste, is a thick, smooth, dark brown or black paste with either a mild, savory or sweet flavor. It is commonly used in Northern Chinese cuisine, Northeastern Chinese cuisine, as well as Korean-Chinese cuisine. Peking duck and jajangmyeon are two popular dishes that feature the sauce.

Korean Chinese cuisine, also known as Sino–Korean cuisine, is a hybrid cuisine developed by the ethnic Chinese in Korea.