this is an interesting article by Kenji about how to get that umami wok breath that Chinese restaurant stir fried dishes have. I probably won't do it 'cause I don't have the torch but there are other interesting tidbits of wok cooking--and that he was a Cook's Illustrated test chef, which I did not know.
https://www.nytimes.com/2020/09/04/dining/stir-fry-recipe-wok-hei.html?action=click&module=Features&pgtype=Homepage
https://www.nytimes.com/2020/09/04/dining/stir-fry-recipe-wok-hei.html?action=click&module=Features&pgtype=Homepage