Deal with the steamer with a lid and permit the buns to evidence till they have doubled in dimensions. In hotter climates, this might consider about 1 hour, though in colder climates, it could choose around 2 hrs. After proofed, steam the buns, and they will double in dimension again https://simon3567y.ltfblog.com/31554572/steamed-buns-with-roast-pork-filling-fundamentals-explained