Turn sugar into powder using a coffee grinder.

Whip aquafaba and lemon juice with an electric whisk adding sugar little by little until stiff.

Add coconut flour using a spatula and mixing gently from top to bottom, also add chocolate / cacao nibs (if using).

Shape cookies and line on a baking tray covered with parchment paper, using two teaspoons or a pastry bag.

Bake at 360°F for 12 to 15 minutes, until slighly golden. Allow the cookies to cool down completely before serving or storage.