Layer the croutons, cheese, and peppers in a greased baking dish.
Whisk together the eggs with seaonings and pour over the ingredients in the pan.
Either refrigerate overnight or bake after lettting the egg mixture soak in for a few minutes, then topping with bacon.
Extend the baking time if the casserole is cold.
You may cover casserole and refrigerate overnight at this point or go ahead and bake immediately.
Bake as directed or until casserole is puffed and set in the center.