Christmas Sugar Cookies with Easy Icing

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1. 1Step 1: Ensure you have enough time and counter space. The dough needs to chill, the cookies need to cool completely, and the icing needs 24 hours to set. If enjoying right away and hardened icing isn't a concern, you'll only need about 3-4 hours.
2. 2Step 2: Whisk the flour, baking powder, and salt together in a medium bowl. Set aside.
3. 3Step 3: In a large bowl using a handheld or stand mixer fitted with a paddle attachment, beat the butter and sugar together on high speed until completely smooth and creamy, about 3 minutes. Add the egg, vanilla, and almond extract (if using), and beat on high speed until combined, about 1 minute. Scrape down the sides and up the bottom of the bowl and beat again as needed to combine.
4. 4Step 4: Add the dry ingredients to the wet ingredients and mix on low until combined. Dough will be a bit soft. If the dough seems too soft and sticky for rolling, add 1 more Tablespoon of flour.
5. 5Step 5: Divide the dough into 2 equal parts. Place each portion onto a piece of lightly floured parchment paper or a lightly floured silicone baking mat. With a lightly floured rolling pin, roll the dough out to about 1/4-inch thickness. Use more flour if the dough seems too sticky. The rolled-out dough can be any shape, as long as it is evenly 1/4-inch thick.
6. 6Step 6: Lightly dust one of the rolled-out doughs with flour. Place a piece of parchment on top. (This prevents sticking.) Place the second rolled-out dough on top. Cover with plastic wrap or aluminum foil, then refrigerate for at least 1-2 hours and up to 2 days.
7. 7Step 7: Once chilled, preheat oven to 350°F (177°C). Line 2-3 large baking sheets with parchment paper or silicone baking mats. Carefully remove the top dough piece from the refrigerator. If it's sticking to the bottom, run your hand under it to help remove it. Using a cookie cutter, cut the dough into shapes. Re-roll the remaining dough and continue cutting until all is used. Repeat with second piece of dough.
8. 8Step 8: Arrange cookies on baking sheets about 3 inches apart. Bake for 11-12 minutes or until lightly browned around the edges. If your oven has hot spots, rotate the baking sheet halfway through bake time. Allow cookies to cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely before decorating. No need to cover the cookies as they cool.
9. 9Step 9: Using a fork, stir the confectioners' sugar, vanilla, corn syrup, and 4.5 Tablespoons (67ml) of water, and optional salt together in a medium bowl. It will be very thick and almost impossible to stir. Switch to a whisk and whisk in 1/2 Tablespoon (8ml) more of water. If you lift the whisk and let the icing drizzle back into the bowl, the ribbon of icing will hold shape for a few seconds before melting back into the icing. That is when you know it's the right consistency and is ready to use. If it's too thick, whisk in another 1/2 Tablespoon (8ml) of water or a little more until you reach the proper consistency.
10. 10Step 10: If you're tinting the icing another color, stir in the food coloring. You can pour some icing into different bowls if using multiple colors. When tinting icing, use only 1-2 drops at first, stir it in, then add more as needed to reach your desired color. Remember, color darkens as icing dries.
11. 11Step 11: You can dip the cookies into the icing or use squeeze bottles or piping bags fitted with piping tips. Decorate your cookies as desired. If using the squeeze bottles or piping tips, outline cookies with icing first, then fill in the middle. If adding sprinkles on top of the icing, add them right after applying icing on your cookie.
12. 12Step 12: Feel free to enjoy cookies before icing completely dries. Icing dries in 24 hours. No need to cover the decorated cookies as you wait for the icing to set. If it's helpful, decorate the cookies directly on a baking sheet so you can place the entire baking sheet in the refrigerator to help slightly speed up the icing setting. Once the icing has dried, these cookies are great for gifting or for sending.
13. 13Step 13: Cover and store decorated cookies for up to 5 days at room temperature or up to 10 days in the refrigerator.