Beanseu King Toast Dongbusan Gwangwangdanji-jeom, inside Lotte Mall Outlet in Busan, serves mozzarella toast and spicy mozzarella toast. Its signature toast combines onion cream cheese, a sweet house-made sauce, and mozzarella cheese. The toast has a crisp texture and savory flavor, and coffee is also available to order. Portions are large enough to make a full meal.