Crush gingerroot and garlic together and set aside. Mix next 5 ingredients and set aside. Heat oil in wok until hot. Add gingerroot and garlic and stir try for 10 seconds. Add shrimp and stir fry for 3 minutes or until pink. Add green onions and stir fry for 30 seconds. Add soy sauce, dry sherry, ketchup, sugar, cayenne and stir try for 30 seconds. Serve immediately.
Cajun Country -- New Iberia, Louisiana