In a soup pot, bring the ground ginger, soy sauce, and chicken broth to a boil.
Combine water and cornstarch in a small bowl.
Stir the cornstarch mixture into the pot of boiling broth until thickened.
Reduce heat until the broth is simmering.
Slowly drizzle the beaten eggs into the pot of boiling broth. Gently stir the eggs in a circle, going in the same direction.
Remove immediately from heat.
Add the sesame oil, salt, and green onions.