01 - Preheat oven to 350°F and line baking sheet with parchment paper
02 - Whisk almond flour, cocoa powder, baking soda, and salt in medium bowl
03 - Beat softened butter and sweetener until light and fluffy
04 - Mix in egg and vanilla extract until well combined
05 - Gradually incorporate dry ingredients into wet mixture until thick dough forms
06 - Fold chocolate chips and optional nuts into dough
07 - Scoop tablespoon portions onto prepared sheet, spacing 2 inches apart
08 - Flatten each ball slightly with fingers or spoon back
09 - Bake for 10-12 minutes until edges set, centers remain soft
10 - Rest on baking sheet 5 minutes, transfer to wire rack to finish cooling