To prepare a thanksgiving sweet potato cheesecake recipe, you will first need to prepare your sweet potatoes. Peel and slice your Sweet Potatoes. Cut the Sweet potatoes in half lengthwise and scoop out the seeds. Place the sliced Sweet potato halves in the bottom of an 8 x 8-inch baking pan. Pour the cream cheese and confectioners' sugar into the mixture and stir until the ingredients are evenly coated. Bake the cake at 350? for 40 to 45 minutes. Remove from the oven and allow to cool. Serve with whipped cream and sour cream.