Tonkotsu Ramen is a type of Japanese ramen. It is known for the delicious pork broth, which is a Fukuoka specialty. Although you can find recipes online, it is best to visit the city for authentic Tonkotsu. If you're in Kanto area and want to try something different than Shoyu, definitely try Tonkotsu. You'll thank us. It is so popular that there are Tonkotsu Ramen shops in other countries like "Tonkotsu King" in Singapore.