Picaseri Coffeehaus is a cafe in the Dongdaemun area of Seoul that mixes Korean ingredients such as sesame oil, black sesame, and perilla seed into its coffee. Its signature drink, Bangatgan Coffee, is a sesame oil coffee that leaves a nutty, savory finish similar to black sesame and soybean powder. The space has an open layout and outdoor tables. The staff respond warmly to foreign customers.