| Find it at Japanese specialists and good health food stores, and stock up on instant dashi and mirin at the same time. |
| Combine the instant dashi or vegetable bouillon powder and boiling water in a saucepan, stirring well. |
| For the dashi, in a medium bowl, combine the konbu and water and set aside to soak for one hour. |
| In a medium bowl, whisk together the lemon juice, olive oil, soy sauce, Riesling, sake, dashi, and shallots. |
| After initial preparation, shoots are cooked with dashi and soy sauce, boiled with rice, put in soup, etc. |
| Place a portion of soba noodles and mushrooms in the bottom of a soup bowl and pour the dashi over the top. |
