Roastery Zen is a roastery cafe near Samsung Station Exit 1 in Daechi-dong, Gangnam-gu, Seoul. It serves drip coffee, espresso drinks, toast, and bakery items, with coffee and bread offered together and a toast set available. The cafe opens for morning work sessions and has a meeting room and seats with power outlets. The number of bakery items available for purchase on display is smaller than the range of types.