At Zuru Ramen Bar, the Tonkotsu Ramen features an 18-hour pork bone broth, ramen noodles, and slices of pork, typically paired with a soft egg and scallions. The house tonkotsu emphasizes clarity and depth, with the extended simmering time and options like black garlic oil giving it a more layered flavor profile. A steaming bowl arrives with a glossy surface and a balance of fatty richness and clean finish, and the noodles keep their bite throughout the meal. Commentary from the restaurant and reviews consistently single out the tonkotsu-based bowls as the heart of the menu, both in classic and spicy variations.