A classic yet always popular donut. Often a round donut which is custard or jelly filled for your taste bud pleasure. Named after the famed Otto von Bismarck, it is also referred to as the Bismark donut in some areas. Again, a very rich donut which is filled with a creamy pastry cream that melts in your mouth. Also popular with custard or even whipped cream that will make each bite explode in your mouth. Delicious!