serves 4 as a main dish and 6 as a side dish
Salt
1/2 pound orzo pasta
Grapeseed, peanut, or vegetable oil
1 large sweet potato (about 3/4 pound)
2 medium onions (about 1 pound), finely diced
4 cloves garlic, minced
3-inch piece fresh ginger — peeled and grated, about 1 tablespoon
6 ounces shiitake mushrooms, stems removed and caps diced
1 tablespoon balsamic vinegar
2 tablespoons soy sauce
3 big leaves chard or kale, stalks removed and leaves finely chopped — about 2 cups
Freshly ground black pepper
Parmesan, optional