1. Whisk the flour, baking powder, and salt together in a medium bowl, then set aside.

2. In a large bowl, beat the softened butter and granulated sugar until creamy, pale, and fluffy.

3. Add the egg, vanilla extract, and almond extract if using, then mix until smooth.

4. Gradually add the dry ingredients and mix on low speed just until a soft dough forms.

5. Divide the dough into two discs, wrap tightly, and chill for at least 1 hour.

6. Preheat the oven to 350°F and line baking sheets with parchment paper.

7. Roll the chilled dough on a lightly floured surface to about 1/4-inch thickness.

8. Cut into Christmas shapes and place the cookies on prepared baking sheets.

9. Bake for 8 to 10 minutes, until the edges are set and barely golden.

10. Cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.

11. Whisk powdered sugar with milk or cream until smooth, then tint with food coloring if desired.

12. Decorate the cooled cookies with icing and sprinkles, then let the icing set before serving or storing.