Pre-heat oven to 350°F.
Spray an 11 x 14-inch baking dish with cooking spray.
In a large bowl, mix all ingredients together except the corn flakes or potato chips.
Place in the prepared pan and evenly spread the crushed corn flakes or potato chips over the top.
Place in the pre-heated oven and bake for 45 minutes or until brown on top; alternatively, after the 45 minutes, if the top is not browened, place under the broiler for a minute or two.