If frozen shrimp are used, defrost thoroughly. Shell and devein. Pat dry. Mince either by hand or in a food processor. Transfer to a large bowl.
Prepare the shrimp paste. Add the salt and sugar to the minced shrimp and stir in the same direction until it is difficult to continue. Sprinkle with the cornstarch, add the egg white, and stir again vigorously for 1-2 minu