What else can I put inside of onigiri (rice balls)?

Question

I'm making onigiri tomorrow night and so far all I've got is thinly sliced/beaten strips of beef with a suger/soy sauce marinade, and now I need some ideas for different fillings.... Please nothing expensive and no fish (my mom likes it but I don't), and my dad is very picky so nothing to exotic.

Answer 1

Teriyaki chicken, eggs, cucumber, avocado.

Answer 2

veggies, eggs, bbq pork, yakitori (basically grilled chicken)

or if you want it to be sweet, fruits like apples, oranges, cherries, etcetera

Answer 3

I am with the first girl, I use love them when I worked in Tokyo, them along with takoyaki and natto were my favs, I would add sweet beans or bean paste for a sweet version, tuna, even tonkatsu or spinach, umeboshi and I liked the sesame paste ones too.

They are very versatile and can be made with just about anything Asian or western based, even tamago omelet.