For the wrappers: • all-purpose flour (about 300 grams) • hot water (about 125 grams, 160°F/70°C) • cold water (about 40 grams) • For the filling: • finely chopped green cabbage (about 700 grams) • king oyster mushrooms, finely chopped (about 170 grams) • carrot, finely shredded (about 50 grams) • celery, finely chopped (about 20 grams) • grated ginger (about 10 grams) • For seasoning: • salt (about 5 grams) •