I tried this recipe and liked how it came out. I decreased the sugar to one teaspoon however as I am diabetic. I stuffed mine with a homemade sugar free red bean chocolate paste (mashed adzuki beans with stevia and cocoa powder).
A simple, six-ingredient recipe for plain steamed buns (or mantou), adaptable to make steamed buns with filling (baozi). Replace one cup of the flour with cake flour for a finer, fluffier bun.