Combine the milk, pumpkin, oats, maple, pumpkin pie spice, vanilla, and salt in a medium pot and bring to a simmer, heating the mixture until it is steaming. When the mixture is steaming hot, remove it from the heat. Using a small whisk or a fork, whisk until frothy.Divide the milk mixture between 2 mugs and pour the coffee over each. Top with whipped cream and granola. Sip and use a spoon to best consume this!