Here is the recipe taken from Alex Goh’s book. (From Baking Mum)
480 gm bread flour
120 gm plain flour
110 gm castor sugar
20 gm milk powder
4 tsp instant yeast
300 ml cold water
60 gm unsalted butter
10 gm salt
1. Mix (A) till well blended. Add (B) to form a dough. Add in (C) and knead until dough is elastic and smooth.
2. Gather dough to form a ball and cover dough with cling wrap and let it rest for abt 50-60 mins or double in size.
3. Divide dough into portions of 60 gm each. Shape into balls and leave it to rest for abt 10 mins. Roll out dough and wrap with desired fillings. Shape as required and let it proof on lined or greased baking tray for another 50-60 mins or until dough is double in size.
4. Apply egg wash (1 beaten egg) on dough and sprinkle some shredded cheese on it. Bake dough at 180-190ºC for abt 12 mins.