Slice aromatics
Peel the fresh ginger and cut it into 3 thin slices. Trim the scallions and slice them thinly; keep them in a small bowl for the finish.
Mix the base
In one small bowl, whisk the cornstarch with the cold water until smooth and lump-free. In another bowl, lightly beat the eggs just until the yolks and whites are combined.
Simmer broth
Pour the chicken stock into a medium saucepan and add the ginger slices, Shaoxing wine, salt, and white pepper. Bring it to a gentle boil, then lower the heat and simmer for 5 minutes so the broth picks up the ginger flavor. Stir the slurry again, drizzle it in while stirring, and keep the soup at a gentle simmer for 1 minute until it looks lightly glossy and just thick enough to coat a spoon. If you want a smoother soup, fish out the ginger slices before serving.
Add the eggs
Keep the soup at a bare simmer and stir in one direction. Slowly stream in the eggs so they form soft ribbons, then let them sit undisturbed for a few seconds before turning off the heat.
Finish and serve
With the heat off, stir in the sesame oil. Ladle the soup into bowls, top with the scallions, and serve right away.

















