Preheat your oven to 350 F and line your muffin tray with liners or spray with coconut oil.
Add all of the ingredients - except the blueberries - to your blender or food processor in this order. Pulse until smooth, about a minute. Now you can add most of your blueberries (reserving some for the tops) and mix them in with a rubber spatula.
Transfer the batter to your muffin tray filling each slot 3/4 way full. Top each muffin with some blueberries and bake for 20 to 22 minutes or until toothpick comes out clean. Allow to sit 5 minutes in tray and then transfer to a wire rack for cooling.
You can substitute the coconut oil for avocado oil or sunflower oil or any neutral oil.