Spread sweet potato over bread. Top with mozzarella, peppers, onions, tomatoes and goat cheese.
Place cookie sheet on lower rack of oven and bake in preheated 450ºF(230ºC) oven until cheese is melted, about 8-10 minutes. Garnish with fresh herbs and cut into wedges.
*Quickly cook one large American sweet potato by pricking potato all over with a fork and microwave on high 5-8 minutes until tender. Let cool, cut in half and scoop out flesh with a spoon. Mash with back of spoon or a fork. Refrigerate or freeze any leftovers.
Variation: For a thinner/crispy crust, use 3 pita or naan breads.