1. Prepare a brown sugar
2. Add appropriate amount of water and boil until thick
3. Pour the brown sugar water into the tapioca flour and knead it into a ball
4. Roll the rubbed pearls in tapioca flour again
5. Pour the boiled pearls into the hot water pot and boil
6. Boil black tea with water
7. Pour the black and white evaporated milk into the cup and add the caster sugar
8. Pour the brewed black tea into the cup
9. Add in the burnt grass and the pearls cooked before.
