Preparation Combine 2 tablespoons each of Sichuan peppercorns, cumin seeds, and kosher salt in a small skillet over medium heat. Heat, stirring often, until spices are toasted and very fragrant, about 3 minutes. Transfer to a bowl; let cool. Finely grind mixture in a spice mill or in a mortar with a pestle.
Preparation Combine 2 tablespoons each of Sichuan peppercorns, cumin seeds, and kosher salt in a small skillet over medium heat. Heat, stirring often, until spices are toasted and very fragrant, about 3 minutes. Transfer to a bowl; let cool. Finely grind mixture in a spice mill or in a mortar with a pestle.