Edible bird's nest is bird nest created by swiftlets using solidified saliva, which is harvested for human consumption. It differs in color from white to dark brown. The Chinese believe that it promotes good health, especially for the skin.
The most famous use of edible birds nest is bird's nest soup, a delicacy in Chinese cuisine. When dissolved in water, the birds' nests have a gelatinous texture used for soup.
In addition to their use in soup, edible bird's nests can be used as an ingredient in many other dishes, they can be cooked with rice to produce bird's nest boiled rice, or they can be added to egg tarts and other desserts.