Combine all ingredients in a large bowl reserving 1 ½ cups of cheese for topping.
Place in a greased 9×13 glass (5 quart) baking dish and top with reserved cheese.
Bake covered with tin foil for 45 minutes. Then remove the baking dish from the oven and discard tin foil. Add baking dish bake to the oven, and bake uncovered for another 45 minutes, or until hot and bubbly.