Originally named as Streuselkuchen, it has become much simpler referred to as Crumb Cake in English speaking parts of the world. What makes this donut a winner is the streusel topping on top, which is essentially a one of a kind sweet crumb topping. Listen friends, this this dreamy and decadent donut is one to enjoy with a nice fresh cup of coffee or tea. Each bite is better than the next, eat up!