Easy just wash your yams.sweet potatos,then punch several fork wholes on the and place on a cookie sheet.Bake at 400 degrees for 30 mins or until they are soft to the touch...

Now Sweet Potatoes ALA Dave(the bulk nutrition guys know this one)

Take your baked sweet potato/yam and peel the skin off or simply cut it down the middle and open it up..Then add cinnamon,a packet of splenda,and some fat free Cool Whip....Its even good cold and used as a dessert!...Enjoy