Preheat the oven to 425.
Lightly grease a 13-x-9-x-2- inch baking pan. Cut each slice of bread into 2 even strips. Arrange bread strips in pan.
In large bowl, mix eggs, milk, sugar, and vanilla with an electric mixer on low speed until wellblended, about 5 minutes.
Pour egg mixture over bread strips; cover. Chill 4-24 hours.
Preheat oven to 425° F. Bake until eggs are set and toast is lightly browned, about 30 to 40 minutes.
Serve with Cinnamon Sugar Topping.