Sweet potato casserole recipe - Healthy and easy!

http://www.howdini.com/howdini-video-8569035.html How to make a healthy and easy sweet potato casserole Sweet potatoes are more healthy than their white counterpart, and this casserole recipe has even fewer calories than most. Amy Topel, the food columnist for National Geographics The Green Guide, shows us this healthier recipe for making a mashed sweet potato casserole.