In a medium-size saucepan, saute onions, carrots, bok choy and bell pepper in oil over medium heat until vegetables soften, about 5 minutes. Add water, bouillon powder, ginger and garlic. Simmer until vegetables are tender, about 5 minutes. Add snow peas, cook for one minute and serve hot. Per serving: 67 cal, 2 g prot, 182 mg sod, dozen g carb, 2 g fat, 0 mg chol, 27 mg calcium