* ingredients:

°2 teaspoons olive oil
°1 tablespoon butter
°3 sweet potatoes, peel & cut to bite-size cubes
°1 tablespoon brown sugar (more if you want it sweeter)
°Pinch of ground ginger
°1 teaspoon ground cinnamon
°1/4 teaspoon ground nutmeg
°sea ​​salt to taste

* Directions :

Heat the oven to 350 degrees. 
Covering  baking dish with cook spray.
Peeled sweet potatoes, cutting them to small cubes, & putting them in baking dish.
Melt butter in the microwave and pour over potatoes with olive oil, brown sugar, cinnamon, nutmeg, ginger, and salt.
Adding more sugar or cinnamon if desire. Flip it to covering equally.
Baking in the oven about 60 min.
Turning sweet potatoes once or twice when roast.

Enjoy !