1. Preheat your oven to 350°F (175°C).
2. In a large bowl, cream together the softened butter and sugar until light and fluffy.
3. Add the egg and vanilla extract, mixing until well combined.
4. In a separate bowl, whisk together the gluten-free flour, baking powder, and salt.
5. Gradually add the dry ingredients to the wet mixture, mixing until a dough forms.
6. If desired, add red food coloring to achieve a pink hue.
7. Roll out the dough on a floured surface and cut into lip shapes using a cookie cutter.
8. Place the cookies on a baking sheet lined with parchment paper.
9. Bake for 10-12 minutes or until the edges are lightly golden.
10. Allow to cool before decorating as desired.

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