Niboshi (煮干し) are Japanese dried baby sardines (sometimes translated as anchovies). They're one of many varieties of small dried fish used throughout Asia in snacks and as seasoning for soup stocks and other foods. In Japan, niboshi dashi's one of the more common forms of dashi. It's especially popular as the base stock when making miso soup. Niboshi dashi's made by soaking niboshi in plain water. If left overnight or brought nearly to a boil, the flavor of the small sardin… (More on Niboshi)