American Burger DDP Sindang is a burger shop in an alley in front of the tteokbokki alley in Sindang-dong, Seoul. Its single burger comes with a toshisal steak patty, cheese, and a crisp baguette-like bun, served with fries and coleslaw. The interior is decorated as a retro American diner. The toshisal patty is on the chewy side.