The BEST Korean Soft Tofu Soup 🤤🍲🔥 | The BEST Korean Soft Tofu Soup 🤤🍲🔥 The ONLY Soondubu Recipe you need! | By Chris Cho | This is how you make Swandubu. First we're going to chop up some onion and some scallion and some zucchini. Alright, high heat, 2 tablespoon of oil, tablespoon of scallion, 2 tablespoon of onion, one tablespoon of pepper powder, and half a tablespoon of pepper flakes. If you don't have these, just go with the pepper powder. Alright, go and give that a nice little mix.