To ensure this recipe remains gluten-free. Use certified gluten-free almond flour. And gluten-free vanilla extract. Almond flour is naturally gluten-free. And adds a nutty flavor. And light texture to the cookies. If you need a nut-free option. You can substitute with a gluten-free all-purpose flour blend. But be mindful that the texture might differ slightly. Always double-check labels. To confirm all your ingredients are gluten-free. Including baking soda. And any optional toppings like powdered sugar or erythritol.