The Matnagopchang is a pork gopchang (grilled intestines) restaurant in Gongneung-dong, Nowon-gu, Seoul, that stir-fries vegetable gopchang, vegetable sundae, and vegetable sundae gopchang. The dishes are seasoned with an aged sauce and stir-fried with thick dangmyeon noodles and gopchang, and single portions are available for takeout. It opens at 4 p.m., orders are paid in advance, and takeout customers make up a large share of business. It is closed on Mondays.