Place water and wakame in a small saucepan and bring to a boil. Reduce the flame to low. Puree the miso with 2 teaspoons water. Add the miso and scallions. Simmer 2 minutes and serve.
Per serving - 17 calories, 0 g fat (1% calories from fat), 3 g protein, 0 g carbohydrate, 0 g fiber, 0 mg cholesterol, 456 mg sodium