Sirovi or skutni (skutini) štruklji is a traditional variety of štruklji originating from Slovenia. The dough is made with a mixture of flour, water, eggs, oil, and salt. Once rested, it's rolled out into thin sheets that are topped with a mixture of sour cream and skuta (curd cottage cheese).
Sugar and raisins are sometimes added to the mixture, but they're not mandatory. The dough is rolled up into a log, and the štruklji are wrapped in a kitchen cloth and then boiled in salted water until fully cooked. Once they've been taken out of the pot, the štruklji are cut into smaller pieces, and the dish is then enjoyed as it is or topped with breadcrumbs fried in butter.