Wok Flashed Salt and Pepper Shrimp with Lemon Basmati Rice

Name: Wok Flashed Salt and Pepper Shrimp with Lemon Basmati Rice
Ingredients: 4 scallions, white part only, finely chopped; 1 tablespoon canola oil; 2 cups basmati rice, washed until water is clear; 2 large slices ginger; 2 lemons, zested; 1 lemon, juiced; 1 teaspoon salt; Pinch ground white peppercorn; 2 1/2 cups chicken stock, can substitute water; 1 1/2 pounds large shrimps (U-15s), deveined, shell on; 1/2 tablespoon ground black peppercorns; 1 teaspoon ground white peppercorns; 1/2 teaspoon ground Szechwan peppercorns; 1 tablespoon fleur de sel; 1/2 cup cornstarch; 4 scallions, green part only finely chopped, white part reserved; 1/4 cup canola oil