The ice itself usually comes from frozen milk, but I’ve seen other ice sources, including coffee and makgeolli (Korean rice ale). Cup Rice Road sprouted as a bunch of carts to feed these poor hungry young professionals-to-be. These stands cater to young adults studying for professional exams. Here you’ll find the famous Insa-dong Hotteok, which puts a bit of cornmeal in its dough, giving it a super crunchy texture.