Muffin Rolls (Hokkaido Milk Bread) With Tangzhong

Hokkaido Milk Bread is the softest bread you would ever eat. It uses a Roux which is called Tangzhong. This method was perfected in Asian countries. For more about this  click here for more about Tangzhong method
This recipes I founded at

For The Tangzhong (Roux) - use half of this
All Purpose Flour 1/3 cup
Milk 1/2 cup
Water 1/2 cup

For The Dough
All Purpose Flour 2.5 cup
Sugar 3 tbsp
Salt 1 tsp
Milk Powder 2 tbsp
Fast Acting Instant Yeast 2 tsp
Milk 1/2 cup
Cream  1/8 cup 
Tangzhong 1/3 cup tangzhong (use half of the tangzhong from above)
Unsalted butter (room temperature) 25gm

Milk to brush on top