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["Preheat oven to 350u00b0.", "Lightly spoon flour into a dry measuring cup; level with a knife. Combine flour, cocoa, baking soda, and salt, stirring well with a whisk. Place shortening in a large mixing bowl; beat with a heavy-duty mixer at medium speed until light and fluffy. Gradually add the granulated sugar, 1 tablespoon at a time, beating until well blended. Add vanilla and egg white; beat well. Add flour mixture; beat until well blended.", "Turn dough out onto wax paper; shape into a 6-inch log. Wrap log in wax paper. Freeze 2 hours or until very firm.", "Cut log into 24 (1/4-inch) slices, and place slices 1 inch apart on baking sheets coated with cooking spray. Bake at 350u00b0 for 10 minutes or until set. Remove from pans; cool completely on wire racks.", "Combine powdered sugar and milk in a medium bowl; stir well with a whisk until smooth. Spoon into a small zip-top plastic bag; seal. Snip a tiny hole in 1 corner of bag. Working with 1 cookie at a time, pipe 3 concentric circles onto each cookie. Starting at center circle, pull a wooden pick through other circles at regular intervals to create a ""web.""
