Located near Toa Payoh library, this stall (#01-176) in a small coffee shop claims to have the number one wanton mee in Bangkok. Certainly taste quite authentic, with the thin well cooked noodle doused in fragrant Thai garlic oil which was a tad salty for me. The char siu was average, a bit dry but came in a generous heap. The wanton soup provided looked really oily but was tasty, having a peppery pork stock base. The chilli flakes didn't add much heat to the dish. At $4.50, it seems to be on the pricier side but I feel that the portion and taste justifies it.