Chocolate Crackle Cookies

Recipe Instructions In a bowl, stir together flour, sugar, cocoa, baking powder, and salt and using fingers, blend in butter. Stir in egg until mixture is blended. Spread dough in a thin layer in bowl and freeze 10 minutes, or until firm. Preheat oven to 400 degrees and lightly grease 2 baking sheets. Spoon level teaspoons of dough onto a sheet of waxed paper. Put 2 tablespoons confectioners' sugar in a small bowl and dust hands with additional. Roll each piece of dough into a ball and then in confectioners' sugar in bowl. Arrange balls 2 inches apart on baking sheets and bake in upper and lower thirds of oven, switching sheets halfway through baking time, 8 to 10 minutes, or until cookies are just set. Cool cookies on racks. This recipe yields approximately 30 cookies.