You can also use grape leaves, that's how my mother makes it. She puts it in a pot with a tiny bit of water and boils it till done. Kind of like how tamales are cooked I believe. You can buy the grape leaves pickled but you will probably have to look for a middle eastern store to find them.
Oh and for a real treat put a bit of olive oil on the bottom and toss in veggies (my mom does celery and onions and potatoes) and they'll soak up the juice and it is SOOOO GOOD!
You can also wrap the mixture in onions- take an onion and cut it about halfway then peel off the layers one by one and stuff those. And you can do this with zucchini as well, take out the inner part and then stuff the zucchini halves. She also does it with tomato. You can do it pretty much with any veggies you can think of to stuff. My mom doesn't use soy sauce she does use tomato sauce in the mixture- makes it so good

You can also use ground beef or turkey or chicken.
Soo good I'm craving it now lol.