01 - Preheat oven to 350°F. Line a baking sheet with parchment paper.
02 - Whisk together almond flour, coconut flour, baking soda, sea salt, cinnamon, and nutmeg in a medium bowl.
03 - In a large bowl, beat softened butter with erythritol until light and fluffy.
04 - Mix in egg, maple extract, and vanilla extract until fully combined.
05 - Gradually blend dry ingredients into the wet mixture until dough forms.
06 - Fold in chopped pecans or walnuts if using.
07 - Drop tablespoon-sized portions of dough onto baking sheet about 2 inches apart; gently flatten each with your palm or the back of a spoon.
08 - Bake for 10 to 12 minutes until edges turn golden and centers set.
09 - Let cookies rest on baking sheet for 5 minutes before transferring to a wire rack to cool completely.