Kostelske hrge are traditional Slovenian dumplings originating from the town of Kostel. They’re made with a combination of potatoes, eggs, cracklings, garlic, salt, pepper, butter or lard, parsley, flour, and breadcrumbs. The potatoes are peeled, washed, and grated, then mixed with the eggs, cracklings, garlic, salt, pepper, and chopped parsley.