Maangchi is making a very popular Japanese food Samgak kimbap, stuffed rice cake in laver sheets. She shows how to make them easily at home using a triangular box. The only special ingredient needed is laver sheet which can be found in Asian stores. She is showing two fillings for the rice, one with kimchi and other with tuna. As you learn how to stuff and mold the rice, you can create your own Samgak kimbap according to your taste.