Krapfen are apricot jelly filled doughnuts eaten in the Fasching (Carnival/Mardi Gras) time in Austria leading up to Lent.
The local Viennese newspaper published their annual list of the top ten Krapfen in Vienna. If you’re here, try a few (or a dozen) - https://www.diepresse.com/6243140/wo-es-in-wien-die-besten-krapfen-gibt?utm_medium=Social&xtor=CS1-15&utm_source=Facebook&fbclid=IwAR1mx8CxgjZHOvyu-KBjWp0IANlUAyApVOJPLRwlN6a6qxJWVym_hteyPdo#Echobox=1674728886