make dough (everything except butter)
rest for 20 mins and cut butter on top for softening
knead dough and proof for 1 h
shape----- divide the dough to 6 parts and roll into balls rest for 15 mins add jam and shape
proof for 40 mins
bake at 350F for 20 mins
shaping options: https://www.sohu.com/a/143020811_556791 https://baijiahao.baidu.com/s?id=1706879457211515096&wfr=spider&for=pc w/o milk, using tang-zhong pre-fermented starter and butter https://www.youtube.com/watch?v=jJNBLZ8jFEE&t=288s or basic dinner roll, w/ butter https://www.youtube.com/watch?v=5zPqwH8AqXI