Preheat oven to 350 degrees.Line cookie sheet with parchment paper and grease with cooking spray.

If you don't use parchment paper be sure to grease cookie sheet generously with cooking spray.Combine powdered Swerve (reserving 1/2 tsp), salt, and cocoa powder.Stir in egg whites, vanilla, and Lily's Chocolate Chips (the batter will be very thick).Spoon the batter in 10 mounds and allow cookies to rest for a few minutes before baking.Bake for 10-12 minutes.Allow cookies to cool before removing from baking sheet.Transfer to cooling rack.When cookies are cooled, sprinkle the remaining 1/4 tsp powdered Swerve on top.