Preheat oven to 375°F. Line muffin pan with paper liners.

Mix flour, baking powder, baking soda, salt, and cinnamon in a mixing bowl.

Add two cups of cooked, mashed sweet potato, oil, vanilla and sugar to a blender and blend well.

Add coconut and wet ingredients to the dry and stir until just combined; be careful not to over-mix.

Add an even amount of batter to 10 muffin cups.

Bake for 15-20 minutes until a toothpick inserted through the center of a muffin comes out clean.