Add the chili bean paste, the spices, the potatoes, the soy sauce and the beer, cover the pot and let it boil.

WSJ: Danny Bowien's Henan Chicken Stew | Slow Food Fast

Add the sweet potatoes, cleaned leeks and plenty of ginger to the clear broth and bring it to an aggressive boil.

WSJ: Amaryll Schwertner's Poached Halibut in Dashi With Leeks, Sweet Potatoes and Sesame Seeds | Slow Food Fast