Heat a wok or a frying pan until hot. Add the Sichuan and stir continuously over a medium heat peppercorns for 2–4 minutes or until the peppercorns become very aromatic. Transfer to a dish and let cool.
Pulverise the peppercorns either in a food processor or with a pestle and mortar. Transfer to a fine wire sieve and sift to obtain the ground Sichuan pepper. Disca