First, you've got Hummus from Petra's Shwarma Shop.
The Jack Burger from the Bistro Corner. Yum...
The Wolfhound has reopened and the bathrooms are excitingly nice. Go drink a beer in there now.
Ramen from 81. They have the best Japanese style ramen in the city and if you eat the huge, huge bowl in 20 minutes; it's on the house.
Dakgalbi near Sookmyeong. I took my friend Jonathon there and he loved it. Yum