Place all ingredients in a blender and blend until well combined.
Spray 12 muffin cup liners lightly with coconut oil spray and place in muffin tin.
Pour muffin batter into prepared muffin tins.
Make the topping:
In a small bowl, mix the erythritol and cinnamon together.
Sprinkle approximately ½ teaspoon of the cinnamon mixture over the top of each muffin.
Bake for 35 minutes.
For best results, allow to cool completely before eating.
To make this a solid E fuel (since there are only 10 carbs in each muffin), you can eat 3 muffins, and add some protein to the side. (I like to have protein powder in almond milk, or some collagen coffee.)