mix all the dry ingredients together except butter. Add in the milk. Then add in the water bit by bit. Stop when dough is formed. Not necessary to finish the water. Rub in the butter and continue to knead until dough becomes elastic and smooth. Set aside to proof for 2hours. Punch in the dough to release the air. Rest 10mins. Divide the dough into 6 pcs. Roll out into oblong shape and wrap the dark chocolates inside. Shape into round doughs and set aside to proof for 45mins. Pipe out the chocolate crust topping onto the top of each dough. Bake in preheated oven at 180C for 15mins.