| 2 | | Leeks; washed well, halved lengthwise, thinly sliced |
| 2 | | Cloves garlic; minced |
| 1/4 | ts | Sea salt |
| 1/2 | c | Dry sherry; or dry white wine or non-alcoholic white wine or vegetable stock |
| 2 | ts | Dried thyme |
| 4 | | Bay leaves |
| 2 | | Celery roots; peeled and cut into 1-inch cubes |
| 8 | c | Vegetable stock |
| 4 | oz | Dried chestnuts; rinsed |
| 1 | ts | Minced lemon zest |
| 1/2 | ts | Ground nutmeg |
| 1 | tb | Fresh tarragon; minced |
| 1/4 | ts | Fresh ground black pepper |
| 2 | tb | White miso |
| 1/2 | ts | Sea salt |
| | Rice milk; or soy milk, if needed to thin soup |
| 1 | | Lemon; cut into thin wheels, for garnish |
| | Chopped fresh tarragon; for garnish |
