Preheat oven to 350°F (175°C).
Line muffin tin with paper liners.
In a bowl, mix almond flour and baking powder.
Add cinnamon and salt. Stir well.
In another bowl, whisk eggs and sweetener.
Pour in almond milk, coconut oil, and vanilla.
Combine wet and dry ingredients slowly.
Fold in blueberries gently with a spatula.
Spoon batter evenly into muffin cups.
Bake for 20–22 minutes until golden.
Cool muffins on a rack before serving.
Store leftovers in the fridge or freezer.