Add in Chicken Stock, Chicken (with all juices) Mushrooms, Bamboo, Scallions, Soy Sauce, Sesame, Salt, Pepper, Splenda, Tofu, and Chilies. Bring to a boil, then reduce the heat to medium low, cover and simmer for 30 minutes.
Turn off heat, then drizzle in the Egg while stirring slowly to create long strands of egg. Stir in the Vinegar and Cornstarch. Simmer for 3 minutes.
Serve.