Cook pasta 2 minutes per package directions. Remove, drain, rinse and set aside. Bring 2 cup water to a boil and separately blanch the broccoli, cauliflower and carrots 2 minutes each. Rinse each under cold water and set aside. Reserve cooking water. Heat oil in a skillet and saute onions for 2 to 3 minutes. Add celery and red peppers and saute another 2 minutes. Add the reserve vegetable cooking water and bring to a boil. Add the dissolved kuzu, stirring constantly until thick. Reduce the flame to low and add the syrup, vinegar and shoyu. Place equal servings of pasta in each bowl. Ladle the vegetables and sauce over. Serve garnished with scallions and sesame seeds.
Per serving - 426 calories, 9 gram fat (20% calories from fat), 12 gram protein, 73 gram carbohydrate, 6 gram fiber, 0 milligram cholesterol, 573 milligram sodium