Prepare a 13 x 9 casserole with a light coating of cooking spray. Line dish with bread slices; trim to fit. Top first bread layer with cheese, followed by ham and top off with remaining bread. Set aside. In a medium bowl, beat eggs with milk, salt, and dry mustard. Pour mixture over ingredients in casserole. Cover and let stand overnight in refrigerator at least 6 hours. In the morning, remove casserole from refrigerator and let it stand for 30 minutes. Preheat oven to 350°.Sprinkle crushed cornflakes over casserole and drizzle melted butter over top. Bake for 45 to 50 minutes. Let cool slightly before cutting. Serve warm.
Says Mr. Breakfast about this dish, ?This should be served at every restaurant in America. Around our house, it’s as common as donuts and cereal. It’s a pleasure to wake up to the smell of it cooking?.Serves 4.