Purple Sweet Potatoes Dessert

5 or 6 purple sweet potatoes 

1/2 cup coconut oil

1 stick of butter

1 Tablespoon of cinnamon 

1 Bag of mini marshmallows 

Preheat the oven to 350 degrees. 

Peel potatoes and cut into cubes. Grease the bottom of the baking dish with coconut oil or stray oil, then place potatoes in. Put remaining coconut oil on top. Bake for 50 min, then remove and add butter and mash potatoes. Smooth out. Then add marshmallows