• Preheat oven to 375°F
• In a large mixing bowl, using a hand-held mixer or a stand mixer, beat together the butter and sugar until light and fluffy.
• Add the vanilla extra, egg and milk.
• Mix again until well combined.
• In another bowl, whisk together the flour, baking powder and salt.
• Add the dry ingredients slowly to the wet ingredients mixing well between each addition.
• Once the dough comes together, remove it from the bowl and wrap in parchment paper.
• Chill in the refrigerator for at least 30 to 60 minutes.
• Remove from the refrigerator and roll the dough out on a lightly floured surface about ¼ - ½ inch thickness.
• Using a circle cookie cutter, cut out the shapes.
• Place the cookies onto a cookie sheet that's been lined with parchment paper.
• Bake in the preheated 375°F oven for 8 - 10 minutes or until they begin to turn golden brown on the bottom.
• Allow the cookies to cool completely while you prepare the cookie glaze.

Decorating the Cookies

• Stir together powdered sugar and milk in a small bowl until smooth.
• Beat in corn syrup and vanilla extract until icing is smooth and glossy.
• If icing is too thick, add more corn syrup.
• Spread the icing on the cookies using an offset spatula.
• Immediately decorate with the red and blue candy pieces into the shape of the American flag.