At this point, you may transfer the vegetables to a large bowl and mash or rice them. Add the whipping cream and butter and mix well. season with salt and pepper. sprinkle with toasted pecans.
This may be made ahead of time and stored in the refrigerator. To reheat before serving, warm it up to room temperature and bake covered with aluminum foil, in a preheated 350° oven, for 20-25 min. Sprinkle with toasted pecans before serving.