Whisk the dry ingredients.
In a separate bowl, add the water, yeast ,honey (proof this if using active yeast), eggs, butter, gently stir it until smooth.
Add the dry ingredients to the wet ingredients (see below) and mix well.
Knead well, at least 10 minutes in a stand mixer or 15 minutes by hand.
Divide into 9 equal portions, roll into bun shapes.
Place in a bun pan, or parchment-paper lined baking sheet.
Lightly spray cooking oil on the buns, and lightly drape some oiled clingwrap on top.
Place in a slightly warm oven (115F-ish) with a lot of moisture (pan of boiling water underneath) for 2 hours, and replace the hot water after an hour.
Bake at 350 for 15-20 minutes