Twamley Snack bar lists menu, hours Twamley Snack Bar hours are 8:30 a.m. to 3 p.m., Monday through Friday. Friday, May 26: BLT Wrap, Macaroni Salad, Fruit Cup. Grilled Patty Melt w/ Soup, Sloppy Joe, Cheese with Ham and Bacon Soup. -- Tammy Kaiser, Snack Bar Supervosor, Food Service, tammykaiser@mail..und.nodak.edu, 777-3934