Bunz Smash Burgers serves handmade smash burgers on a rooftop on the ninth floor of a hotel on Ly Tu Trong Street in District 1, Ho Chi Minh City. The main items are the West Coast Smash Burger and the signature Roast Onion Burger, and truffle fries come with them. Ordering is self-service, and the truffle fries arrive crispy. The burgers are on the greasy side.