Put your potatoes in a pot and cover with water. Bring to a boil over high heat. reduce heat to med-low and let simmer for 20 minutes or till fork tender.Drain the potatoes then place back in to the dry pot on the stove, the burner turned off.Mash the potatoes a little to allow all the steam to escape.Add in the cream cheese, milk, salt, pepper, and ranch and mash till creamy.Add in vegetable stock as needed if it is to dry.place the potatoes in a baking dish and place in a 350 degree oven and heat till warmed.