I have been exploring ideas for edible vessels and here is one that is quite simple, making origami boxes out of soy wrappers. Initially I thought of seaweed, but unless you are using stale ones (which are gross), it's difficult to fold without it ripping. Soy wrappers are easy to work with because they are soft and tear resistant. I love the colors!
Packed them in a bento box and I'm ready to go!