In a large wok, add oil, ginger, and scallions. Stir fry briefly (30 seconds).
Add crab meat, salt, sherry. Cook 45 seconds.
Add stock, corn, and soy. Slowly bring to boil, simmer for 1 minute. Careful! It will burn here!
Add white pepper to taste.
Make slurry with cornstarch, water, and sesame oil. Slowly add to soup until thickened.
Beat eggs, salt, and sesame oil together. Drizzle into soup for "egg flowers."
Garnish with scallions.