Cook pasta as package directs, rinse, drain, and set aside. Heat oil in a soup pot, and sauté the garlic and onions for 2 to 3 minutes. Add all ingredients except the shoyu and pasta. Cover, and bring to a boil. Reduce the flame to medium-low, and simmer for 20 minutes. Reduce the flame to low, and add the shoyu and cooked pasta. Simmer for 5 minutes more.
Per serving - 151 calories, 2 g fat (15% calories from fat), 6 g protein, 26 g carbohydrate, 6 g fiber, 0 mg cholesterol, 480 mg sodium