Cook soba as package directs, rinse and drain. Set aside. Heat oil in a skillet and sauté the garlic for 1 minute. Add the mushrooms and sauté 2 to 3 minutes. Add the tofu cubes and half of the soy sauce. Sauté for 3 to 5 minutes. Mix in the cooked soba, remaining shoyu soy sauce and scallions. Sauté another 5 minutes or so until the soba is hot. Serve.
Per serving - 430 calories, 16 g fat (32% calories from fat), 23 g protein, 50 g carbohydrate, 8 g fiber, 0 mg cholesterol, 431 mg sodium