Tofu skin (a.k.a. yuba) is wonderful stuff. It’s a thin skin that forms on top of boiled soy milk. The skin is dried in sheets and used for all sorts of applications after it’s been rehydrated. You can occasionally find it frozen, too.
Use yuba like wonton wrappers. Or slice the stuff into noodles, or deep fry it.
Dim sum parlors will sometimes have items using tofu skin; just ask.