Vietnam's pho bo (beef noodle soup) and Thailand's tom yum goong have been listed among the world's 20 best soups as compiled by CNN. CNN praised beef pho as "the most beloved version in Vietnam." ...

The Vietnamese beef noodle soup, pho bo, is difficult to make at home: it requires an enormous pot to hold all the beef bones, meat and spices, which are simmered for hours. Pho gai - chicken ...

For this Vietnamese chicken and rice noodle soup ... this nourishing soup an authentic Vietnamese pho. The essence of pho is a daylong-simmered broth, typically made from beef or chicken bones.