Arrange 8 slices of bread in bottom of buttered 13 x 9 inch dish.
Cover bread with a single layer of bacon or ham, then cheese and cover with remaining bread slices, like a sandwich.
Beat eggs with salt, pepper, Worcestershire sauce and milk.
Pour over sandwiches, cover and refrigerate overnight.
In the morning, melt butter and pour over the top. Sprinkle with crushed corn flakes.
Bake, uncovered, at 350 F for 1 hour. Let stand 10 minutes before serving.
Great for brunch with fresh cup-up fruit and hot cinnamon rolls.