Remove all bones and skin, cut fish meat crosswise 2” long, 1-½” wide and ¼” thick. Marinate with 1 egg white, 1 tablespoon cornstarch, ½ teaspoon salt, about ½ hour.
Prepare seasoning sauce in a bowl and set aside.
Coat each piece of sliced fish in cornstarch (½ cup), then quickly drop in heated oil to deep fry about ½ minute until golden brown. Remo