| One (2-inch) piece fresh ginger, peeled |
| One (2 pound) snapper, scaled, trimmed, gutted, and gills removed |
| 2 tablespoons vegetable oil |
| 4 scallions, white and green parts, sliced into 1-inch strips |
| 1/4 teaspoon crushed red pepper flakes |
| 1 teaspoon cornstarch dissolved in 1 tablespoon water |