Sweet Potato Yogurt Muffins (Soft, Naturally Sweet & Toddler-Approved)

1 Preheat oven to 350°F and line a mini muffin pan.
2 Mash the sweet potato until completely smooth. Add in eggs, yogurt and oil.
3 Stir in the flour, baking powder, and cinnamon. Mix gently until just combined.
4 Fill muffin cups almost to the top and bake for 20-22 minutes, until set and lightly golden. You can also stick in a toothpick to check if it's done. 
5 Let cool completely before serving!