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["In medium bowl, with electric mixer on medium, beat butter and sugar until light and fluffy.", "Beat in egg, corn syrup, lemon extract and lemon rind until well-blended.", "Reduce mixer speed to low and gradually beat in flour and salt.", "Gather dough into 2 balls and flatten each into a disk and wrap in plastic.", "Refrigerate at least one hour or overnight.", "Soften dough a bit at room temperature before rolling out.", "Heat oven to 325 and lightly grease two baking sheets.", "Roll out dough between two sheets of waxed paper to 1/4"" thickness.", "Cut out cookies with a 2 1/2"" satar cookie cutter.", "Bake 12 - 15 minutes (until lightly browned).", "Cool cookies on baking sheets for 5 minutes and then transfer to wire racks.", "For glaze: whisk together confectioner's sugar and lemon juice.", "Divide the glaze into two bowls and tint one with yellow food coloring.", "One cookie at a time, spread either the white or the yellow glaze onto the cookie.", "Using a toothpick, drag the alternate color of glaze through the wet cookie to make wispy designs.", "Dip edges of cookie into sugar crystals."]