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["Combine the flour, baking powder, baking soda, and salt in a small bowl; set aside.", "Cream together the butter and 1 cup of the powdered sugar in a large bowl using an electric mixer on medium speed for 1 minute, or until creamy.", "Add the egg, 2 Tbsp.", "orange juice, 3 1/2 tsp.", "orange zest, vanilla, lemon juice, and orange extract; beat until well blended.", "Gradually stir in the flour mixture; mix well.", "Shape the dough into 2 logs about 2"" in diameter on a lightly floured surface.", "Wrap each log tightly in waxed paper; chill at least 3 hours.", "Preheat oven to 350*F.", "Line at least 3 cookie sheets with parchment paper.", "Cut dough into 1/4"" thick slices; place 1"" apart on the cookie sheets.", "Bake for 10 minutes, or until lightly browned around the edges.", "Cool cookies on the sheets for 2 minutes; then transfer them to wire racks and cool completely.", "Combine the remaining 1 1/2 cups powdered sugar, 2 Tbsp.", "orange juice, and 1 tsp.", "orange zest in a medium bowl; beat until blended.", "Add additional orange juice, if necessary, for desired consistency.", "(At this point, add a few drops of red and yellow food coloring; mix until you reach a desired orange color.)", "Glaze tops of cookies; let stand 1 hour, or until glaze is set.", "Frost half of the cookie bottoms with vanilla frosting; place a second cookie bottom side down over the frosting to make a sandwich.", "Store loosely covered in a single layer for up to 1 week."]
