A good place to sample Guilin noodles is this canteen-style restaurant located near the junction with Zhengyang Lu. Order at the front, take your docket to the cook and retrieve your food from a window. The slippery rice noodles come with a variety of ingredients, but the local speciality (also the tastiest) is with stewed vegetables (卤菜粉, lǔcài fěn).
Vegetarians be aware that it comes topped with pork rind, but you can request: 不要猪肉,谢谢'. 我是素食者 ('No pork please, I'm vegetarian'). There are several branches across town.