Clean and wipe the duck. Put on a plate with skin side up. Rub the duck with soy sauce. Let stand 15 minutes. Deep fry the duck until golden brown. Drain. Put the fried duck on a plate. Put the scallion, ginger, brown pepper corn, and star anise on top of the duck. Put the plate in a boiling steamer to steam over high heat about 1-½ hours.