Step 1: Preheat your oven to 325°F (160°C).
Step 2: Line a baking sheet with parchment paper.
Step 3: In a large mixing bowl, sift together the almond flour, granulated sugar, cocoa powder, and a pinch of salt.
Step 4: In a separate medium bowl, beat the egg whites and lemon juice until soft peaks form.
Step 5: Gently fold the almond extract into the beaten egg whites.
Step 6: Carefully fold the egg white mixture into the dry ingredients until just combined.
Step 7: Using a cookie scoop, drop tablespoon-sized portions of dough onto the prepared baking sheet.
Step 8: Dust each cookie with confectioners’ sugar.
Step 9: Bake for 15-20 minutes, until set and slightly shiny.
Step 10: Let cool briefly before transferring to a wire rack.