This Twice-Baked Potatoes Casserole is a creamy and indulgent side dish perfect for any occasion. Made with whole milk, reduced-fat cream cheese, sour cream, and shredded sharp cheddar cheese, this casserole is full of classic fixings. It's topped with crispy bacon and thinly sliced scallions for a flavorful finish. The best part? You can prepare it ahead of time, making it a convenient dish for your next gathering. And don't worry about peeling the potatoes, the skin is edible, nutritious, and adds texture to the casserole. Serve it with your favorite main dish and a side salad to complete the meal.