A popular Polish dish similar to dumplings or ravioli. pronounced pyeh-RAW-ghee (this is the plural form, just one is called pierog, but they're so good you'll almost never eat just one.) Pierogi can be made with a wide variety of fillings, but the most common are minced cooked meat, sauerkraut & mushrooms, cheese and potatoes, sweet cheese (usually with a touch of vanilla) and blueberries (in summer). Other fillings include buckwheat groats, potatoes & onions and lentils. Common toppings include fried fat-back nuggets, sour cream, melted butter or butter-browned bread crumbs.