In a large mixing bowl, add all of the hash brown ingredients. Use a spatula, and stir until they're all evenly combined.
Spray a casserole dish with non stick cooking spray, and then transfer the hash brown mixture to it. Use a spatula to evenly spread the mixture out.
In a medium mixing bowl, whip together the topping ingredients- until evenly combined.
Spread the corn flake topping evenly out over the casserole. Bake the dish at 350 degrees for 45 minutes, or until the casserole is hot & bubbly and the corn flake topping is golden brown.