· Use a strainer to remove the string beans from the wok and set aside. Once all the string beans are shallow fried, turn off the heat. Scoop the oil out of the pan, except for 1 tablespoon. Turn the heat down to low, and add in the Sichuan peppercorns, ginger, garlic and dried red chilies (if using). Stir-fry for about 1 minute, until fragrant.Drool-worthy Sichuan Chicken in Chili Oil Sauce (Kou Shui Ji) · Kou Shui Ji – Step 1: Put chopped peanuts, roasted sesame seeds, red chili flakes or chopped dried red chilis, and salt into a medium bowl and set it aside. Heat your oil in a skillet or pan over low heat, and add the scallions, ginger, garlic, star anise, cinnamon stick, and Sichuan peppercorns.