Celebrate the 4th of July with these patriotic cookies featuring red, white, and blue layers. These festive treats are perfect for adding a touch of American pride to your holiday celebrations. Ingredients: 1 cup unsalted butter, softened 1 cup granulated sugar 1 large egg 2 teaspoons vanilla extract 2 cups all-purpose flour 1 teaspoon baking powder teaspoon salt Red and blue food coloring White decorating icing Instructions: Melt the butter and mix it with the sugar in a large bowl until the mixture is light and fluffy Add the egg and vanilla extract and mix them in well Mix the all-purpose flour, baking powder, and salt together in a different bowl Slowly add the dry ingredients to the wet ones and mix them together until they are just combined Cut the cookie dough into three equal parts Leave one part plain, use the red food coloring to color another part, a...