 Regional variations include a sprinkle of freshly ground allspice or black pepper and the addition of coarsely ground mustard in the white sauce (in Scania).In parts of Jämtland it is served on flat bread along with whey cheese.In the United States, lutefisk is often served with a variety of side dishes—including bacon, peas, pea stew, potatoes, lefse, gravy, mashed rutabaga, white sauce, melted or clarified butter, syrup, and geitost, or "old" cheese (gammelost).