| 1. |
Put konbu and 6 cups of water in a stockpot, leave them for about half an hour. |
| 2. |
Heat it over medium-high heat. |
| 3. |
Take the konbu out of the pot as soon as the soup stock reaches a boil. |
| 4. |
Add 1/2 cup of water and all the katsuobusi. |
| 5. |
When the soup stock boils, turn down the heat a little and remove the scum roughly. |
| 6. |
Simmer for a few minutes then turn off the heat. When the katsuobusi sinks to the bottom, strain the soup stock and discard the katuobusi. |