INSTRUCTIONS
1. Peel and devein the shrimp, leaving the last shell segment and tail fin intact.
2. Heat the oil in a 9-inch Lodge cast iron skillet over high heat until very hot, about 3 minutes. Add the ginger and cook, stirring, until the shreds turn light brown and caramelized, about 2 minutes. Stir in the coriander, peppercorns, and sugar and let heat for 15 seconds.
3. Add the shrimp and cook, shaking and tossing, until they turn pink and curl up, about 2 minutes.
4. Sprinkle with the lime juice, salt, and scallion greens. Gently mix together and serve from the skillet.