a while ago i found a korean cookbook and flipped through it. i figured manduguk (dumpling soup) couldn't be too difficult so i gave it a shot.
no recipe though, cause i made it last week and forgot what i put in it. a mixture of tofu, shiitake mushrooms, onion, garlic, kimchi, sesame oil, soy sauce, and i don't know what. oops.
if you want to make it i would recommend perusing a few different recipes for it (try googling "manduguk recipe" or something similar) and then either picking one or using them for reference.
fyi -- wonton skins come in a package of 50 (at least at my grocery store) and unless you're feeding an army, you'll probably need to freeze them. put them on a cookie sheet or plate in a single layer and freeze for 20 minutes or half an hour until they're firm. you don't want them to stick to each other. after 20 minutes or so, take them off the cookie sheet and put them all in a large tupperware container or clean plastic ice cream tub.