01 -
Preheat oven to 175°C. Grease a 28×18 cm or 23×23 cm baking dish with nonstick cooking spray.
02 -
In a large mixing bowl, add thawed cubed potatoes, condensed cream of chicken soup, sour cream, shredded cheddar cheese, garlic powder, and salt. Stir thoroughly until the potatoes are evenly coated and the mixture is smooth.
03 -
Spoon the potato mixture into the prepared baking dish. Spread evenly to form a uniform layer.
04 -
Place corn flakes in a sealed plastic bag and crush lightly by hand. Transfer to a small bowl, add the melted butter, and mix until all cereal pieces are evenly coated.
05 -
Distribute the buttered corn flake topping evenly over the potato mixture. Bake uncovered for 35 minutes, or until the topping is golden and the casserole filling is bubbling.
06 -
Remove casserole from oven and allow to cool for 5 minutes before serving.