Vermicelliorcellophane noodlesaredryfibrousfoods,made frommung beanpowder,copperpowderortapioca,soldintobundlesof about1ounce.Fibersorghumflouris oftenbetterlines:long,in,not"policy"onduringmeals.In general,sorghumisa kind ofdriedprocessedfoodcommon infast foodrestaurantsandfamilyin Vietnam,second only torice noodles.