Eggplant Salad with Mustard-Miso Dressing

One of the few recipes in which eggplant is boiled. It’s an unusual preparation, and a good one, but you can also sauté it, as in Sautéed Eggplant.

Small eggplants are almost always preferable to large ones, and the Japanese know this better than anyone; you don’t even see large eggplants there. (If you must use a larger eggplant, try to get a very firm one, which will have fewer seeds.)

Typically, this is made with wasabi powder; but