01 - Preheat oven to 350°F and line a large baking sheet with parchment paper.
02 - Whisk together almond flour, coconut flour, brown sugar substitute, sea salt, and cinnamon in a medium bowl.
03 - Beat softened butter until smooth, then add egg and vanilla extract, mixing thoroughly.
04 - Gradually add dry ingredients to the wet mixture, stirring until a soft dough forms.
05 - Scoop tablespoon-sized dough portions, roll into balls, and place on prepared sheet approximately 2 inches apart.
06 - Bake for 13 to 15 minutes until edges turn golden and centers remain pale.
07 - Allow cookies to cool on the sheet for 10 minutes before transferring to a wire rack.
08 - Once cooled, dust cookies generously with powdered erythritol or monk fruit sweetener for a snowy finish.