Steamed Beef Dumplings Recipe

Name: Steamed Beef Dumplings Recipe
Ingredients: 2-inch knob fresh ginger; 1 teaspoon Szechuan peppercorns; ½ pound ground beef; ¼ cup chicken stock; 1 tablespoon soy sauce (preferably low-sodium); 1 tablespoon rice wine; ½ teaspoon kosher salt; 1 cup boiling water; 2½ cups flour, plus more for dusting work surface; 1 medium carrot; 4 green onions; ½ cup frozen peas; 1 teaspoon sesame oil; 2 tablespoons vegetable oil (or slightly more, depending on how many batches you divide your dumplings into)