Marillenknödel are sweet dumplings made with a dough of potato or quark cheese, filled with a whole apricot, and rolled in breadcrumbs. The dumplings are boiled until cooked and then served warm, often with a dusting of powdered sugar and a side of vanilla sauce. Marillenknödel are a popular dessert in Vienna, especially during apricot season, and are loved for their soft and fruity center.