we're celebrating international sushi day. >> i had no idea. it seems hard to make at home but is it really? genevieve allbrown gave it a try. we go now to our "insomniac kitchen." >> i'm here at zuma in new york city with head chef wong kim, who is an expert. he's going to teach us everything about sushi and making it even at home, right? >> yes. ♪ >> one of the myths, perhaps of sushi, is that it's hard to make. not true. >> not true. so, this is one of our very popular salmon dishes. chef douglas is going to show us how to sear the salmon. you want to wait for the pan to get hot. you want it to be a quick, light seer on the outside so there's nice color inside. >> not all sushi is completely raw. >> no. we'll make a salmon seicho dish with a minty flavor with the