01 - Preheat oven to 350°F. Line a baking sheet with parchment paper.
02 - In a medium mixing bowl, whisk together almond flour, powdered sweetener, baking powder, and sea salt until thoroughly blended.
03 - In a separate bowl, whisk melted unsalted butter, egg, and vanilla extract until smooth.
04 - Incorporate the wet mixture into the dry ingredients, stirring until a cohesive dough forms.
05 - Gently fold in the chopped walnuts until evenly distributed throughout the dough.
06 - Scoop 1-tablespoon portions of dough onto the prepared baking sheet, spacing 2 inches apart. Flatten each slightly with fingertips or the back of a spoon.
07 - Bake for 12 to 15 minutes, or until edges are golden brown.
08 - Allow cookies to cool on the baking sheet for 10 minutes, then transfer to a wire rack to cool completely.