 Some kinds of the soup , such as Poltava borscht , may be served with <unk> , or thick noodles of wheat or buckwheat flour . Siberian borscht is eaten with boiled meatballs ( <unk> ) of minced beef and onion . In Poland and parts of western Ukraine , borscht is typically ladled over uszka , or bite @-@ sized ear @-@ shaped dumplings made from pasta dough wrapped around mushroom , buckwheat or meat filling . Mushroom @-@ filled uszka are particularly associated with Polish Christmas Eve borscht . 
