01 - Preheat oven to 350°F. Line a baking sheet with parchment paper.
02 - In a medium bowl, whisk together almond flour, coconut flour, baking powder, salt, and cinnamon until evenly distributed.
03 - In a large bowl, beat softened butter and brown sugar substitute until light and fluffy, approximately 2-3 minutes.
04 - Add egg and vanilla extract to butter mixture, beating until fully combined.
05 - Gradually add dry ingredients to wet mixture, stirring until a soft dough forms without overmixing.
06 - Using a tablespoon or small cookie scoop, place dough portions onto prepared baking sheet with 2 inches spacing between each.
07 - Gently flatten cookie tops with fingers or spoon back to create uniform thickness.
08 - Bake for 10-12 minutes until edges just begin turning golden brown.
09 - Remove from oven and allow cookies to rest on baking sheet for 5 minutes to set properly.
10 - Transfer cookies to wire rack and cool completely, approximately 15-20 minutes.
11 - Once completely cooled, dust cookie tops with powdered erythritol or monk fruit sweetener for decorative snowy appearance.