3. Reserve 1 cup cheese, 3 tablespoons bacon and 1/4 cup green onions for topping. Stir cream cheese, remaining Cheddar cheese, bacon, green onions and pepper into potatoes. Spoon mixture into baking dish; sprinkle with reserved 1 cup Cheddar cheese. Bake 15 to 20 minutes or until heated through and top is slightly puffed and golden brown.