Step 1

Cook in the oven the sweet potatoes until soft. Remove from the oven and peel them. Place the meat into a dish, smash to reduce to a no chunk pulp and let it cool.

Step 2

Keep the oven at 400°.

Step 3

Mix all the flour, baking powder, salt, sugar, cinnamon and chocolate chips if using.

Step 4

Add to the dry ingredients the orange juice, sweet potatoes, egg and oil and mix well.

Step 5

Place muffins cups in muffins pan and pour muffins mix up to cup high.

Step 6

Sprinkle sanding sugar and bake in the oven for 15 to 20 minutes, or until the toothpick comes out clean.

Step 7

Serve at room temperature.