Line 13 X 9 inch pan with potatoes. Mix next 6 ingredients well. Spoon over potatoes. Top with cornflakes. Slice stick butter over the top, covering as much as you can. Bake at 350 for 50 min. Might need to use a bigger pan as it sometimes runs over, but this is the size from the original recipe. This is very rich and creamy, everyone loves it!