"It's like you can see it breathe, and you will never know how it will finally look until it starts to color," Xu says.

"It's like an adventure."

Her videos of making dough became popular on social media platforms and some viewers found watching her play with the dough relaxing.

Her "vegan bread" course was popular among vegetarians at first, then more baking fans joined.

Most of her students are white collar workers, new moms, as well as cafe owners or pastry chefs who want to make bread and create their own memories.

Contact the writer at liyingxue@chinadaily.com.cn