Instructions: heat up water and add chicken bullion, add sliced tofu, mushrooms, bamboo shoots, salt, pepper, chili flakes, sesame oil, dark and light soy sauce and vinegar.
Bring soup down to a simmer and stir in beaten eggs to make ribbons then pour in cornstarch slurry to thicken.
Let simmer for 3-4 minutes, turn off heat and top with green onions.