Bunsen is a trendy fast casual burger restaurant that has six locations throughout Ireland and Belfast. Bunsen uses Black Abe ... rdeen Angus beef and specialises in mincing the meat on the premises to insure the best quality you can get in a burger. Bunsen offers a simple menu that includes three types of fries and a variety of milkshakes. Bunsen uses the freshest ingredients to create the simple, perfect burger. read more