Pho is made from rice noodle and its soup base is consisting of broth, made primarily from beef or chicken meat, meatballs and etc..adding bean sprouts, cilantro, onions and other Asian herbs leaf as a decorative texture to its looks and taste. The taste of Pho soup can also be very different from each culture authentic background. Therefore, the difference and its uniqueness taste it is primarily depending on who is cooking and who know what to put as ingredients to the broth Itself. That is why you might have had experience a different taste of Pho broth depending on where you go...The art of cooking Pho is base primary on each individual secret recipes