Mitoku Dried Bonito Flakes come from Bonito fish which has been cut in half and then dried until it becomes like a piece of driftwood. It is shaved into thin flakes to be used as the base for Japanese soup stock. This creates the basic and essential flavor of Japanese cooking. Mitoku Dried Bonito Large Flakes are ideal for making "dashi" or Japanese soup stock. The Small flakes make a rich stock for noodles or miso soup or can be used to sprinkle atop hiyayakko, a popular cold-tofu dish or for adding extra flavor to Japanese nabe (pot) dishes.