Bourbon Chocolate Sugar Cookies

Name: Bourbon Chocolate Sugar Cookies
Ingredients: 1 3/4 cup (7.5oz/210g) all-purpose flour; 3/4 cup (2.75oz/75g) Dutch process cocoa powder, sifted; 1/2 teaspoon baking soda; 1/4 teaspoon baking powder; 1/2 teaspoon kosher salt; 1 stick (1/2 cup) unsalted butter, room temperature; 1/2 cup (8 tablespoons) unflavored vegetable shortening, room temperature; 1 cup granulated sugar; 3/4 cup packed light brown sugar; 1 large egg; 1 large egg yolk; 3 tablespoons bourbon (optional, replace with 1 tablespoon vanilla extract); 3 ounces grated or very finely chopped dark or semisweet chocolate (ideally pulverized in a food processor); 1 cup raw/turbinado sugar; 2 teaspoons bourbon