Miso soup is the Japanese version of chicken soup - a combination soul food and comfort food. It is traditionally eaten at breakfast in Japan as a daily staple. Miso is a paste made from fermented soybeans, and is full of antioxidants like vitamin E, as well as protective fatty acids. It's healthful and delicious, and the Japanese say that the linoleic acid in miso promotes soft skin. The soybeans miso is made from also contain isoflavones and other elements that provide protection against some forms of cancer. To preserve these properties, miso should not be boiled. Add it to a soup after it has been removed from direct heat.