Bird's nest soup - It is good for your skin and health and will keep you looking young, considered a delicacy in Chinese cuisine in particular. Although there are several other cultures in Southeast Asia that also believe in the home-remedy benefits of this soup. The particular nests used are most often from cave swifts, who also use saliva to help put the nests together. These are generally very expensive, making this a "high class" delicacy that not many get to enjoy. Metabolism and Immune System Bird's nest soup also has health benefits for metabolism and the immune system.These are traditionally said to be most effective in young children (particularly sickly children) and the elderly, although studies from the Chinese University at Hong Kong suggest that some benefits may exist for people of all ages. In addition to the boosted immune system, There are some results suggesting a positive benefit when it comes to regulating metabolism. Traditional Medical Beliefs There are many other benefits to eating bird's nest soup. At least according to traditional folk medicine beliefs. Swallow's Nest Soup With Rock Sugar Also known as Bird's Nest Soup, This sweet dessert soup is made from the nests of the swiftlet, a type of swallow. Cook Time: 3 hours Ingredients: 2 ounces birds nest rock sugar, or to taste 4 cups water Preparation: Prepare the bird's nest: soak it in cold water for several hours or overnight. Rinse well. Go over the nests and pick out any loose feathers. Place the bird's nests in the pot and add the water. Bring to a boil and simmer until the bird's nests are quite soft (up to 2 hours). Add the rock sugar, stirring to dissolve. Serve the soup hot. Helpful Tip: You'll want to save this for a special occasion. Authentic bird's nests are quite expensive, not surprising given that the nests come from the hardened saliva of the swiftlet swallow. It could be a good choice for a romantic evening, as bird's nest is rumored to be an aphrodisiac.