In the bowl with the scooped out Potato, add Cheese, Scallions, 1/2 the Bacon, Sour Cream, Butter, Milk, Salt, and Pepper, and mix well.
Scoop the Potato mixture back into the hollowed-out Potatoes, top with Cheddar Cheese, and the remaining Bacon.
Bake an additional 15 minutes until the Cheese is melted.
Serve warm with Sour Cream and Chives!