Akanoren was the first Hakata-style ramen shop to arrive in the Kanto region, making its debut way back in 1946. Its standard ramen (¥850) comes with thin, flat noodles swimming in a tonkotsu (pork-based) soup enriched with soy sauce – it manages to be light but still has a good depth of flavour. (Tip: soak up any leftovers with a ¥200 kaedama noodle refill, just like they do in Fukuoka.)
The shop also lets you customise the richness of the soup as well as the firmness of the noodles. Its signature bite-sized sui gyoza (boiled) dumplings are also worth ordering. Open till 5am and just a quick stumble from Nishi-Azabu crossing, it's ideally positioned to snare hungry Tokyoites on their way home from a night out in Roppongi.