紫菜用的是烤过的， 不知你在哪儿，

Costco 应该有：https://www.costco.com/.product.100383606.html

Amazon 也有的 ： https://www.amazon.com/s/?ie=UTF8&keywords=roasted+seaweed&tag=googhydr-20&index=aps&hvadid=178373947198&hvpos=1t1&hvnetw=g&hvrand=3864531226687877346&hvpone=&hvptwo=&hvqmt=e&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9031981&hvtargid=kwd-1930024778&ref=pd_sl_56hrljys59_e