Preheat oven to 350°. Mix shoyu, tahini and water together. Place the onions, wakame and carrots in a mixing bowl. Pour tahini mixture over and mix thoroughly. Place in a small casserole dish. Cover casserole dish and bake for 40 to 45 minutes until onions are tender.
Per serving - 123 calories, 7 g fat (51% calories from fat), 4 g protein, 12 g carbohydrate, 3 g fiber, 0 mg cholesterol, 142 mg sodium