Loaded Baked Potato Casserole

Name: Loaded Baked Potato Casserole
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 4 pounds russet potatoes, peeled and cubed (the starchy texture makes the creamiest base); 1 cup sour cream (or plain Greek yogurt for a healthier option) (adds tang and silkiness); 1 cup whole milk (or plant-based milk for dairy-free swaps) (thins the mixture to a luscious consistency); 6 tablespoons unsalted butter, melted (brings richness and helps browning); 2 cups shredded sharp cheddar cheese, divided (sharpness cuts through the cream); 6 slices bacon, cooked and crumbled (or smoked tempeh for vegetarian) (smoky crunch); 4 pieces green onions, thinly sliced (fresh bite and color); 1 teaspoon garlic powder (warm, savory backbone); Salt and black pepper to taste; 1 cup panko breadcrumbs (optional) mixed with 1 tablespoon melted butter (for a golden, irresistible crust)