Cook pasta as package directs, rinse, drain and set aside. If using whole shiitake, remove shiitake stems, discard and slice the cap. Cook mushrooms in soaking water for 15 minutes. Heat oil in a large skillet, sauté the garlic and onions for 2 minutes. Add the red pepper and sauté for 1 minute. Add the mushrooms, cooking liquid, mirin, and vinegar. Bring to a boil, reduce the flame and simmer for 5 minutes. Add the broccoli, and dissolved kuzu, stirring constantly and cook until mixture thickens. Add the snow peas, green onion and shoyu. Mix and simmer 1 to 2 minutes longer. Serve over pasta or mix pasta in with the sauce before serving.
Per serving - 334 calories, 6 g fat (16% calories from fat), 14 g protein, 58 g carbohydrate, 10 g fiber, 0 mg cholesterol, 512 mg sodium