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 - 181 calories, 3 g fat (14% calories from fat), 9 g protein, 31 g carbohydrate, 7 g fiber, 0 mg cholesterol, 343 mg sodium