Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
In a large mixing bowl, combine the cottage cheese and eggs. Beat until smooth and well blended.
Add the almond flour, coconut flour, baking powder, salt, vanilla extract, and sweetener (if using) to the mixture. Stir until fully combined.
Gently fold in the fresh blueberries, being careful not to break them.
Using a spoon or cookie scoop, drop dollops of the batter onto the prepared baking sheet, spacing them about 2 inches apart.
Bake in the preheated oven for 20-25 minutes or until the tops are golden brown and a toothpick inserted into the center comes out clean.
Allow the cloud bread to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.