Cook boba pearls and taro balls according to the instruction.
Brew the black tea with hot water. Let it stay for around 4-5 minutes. Remove the tea bag and let the tea liquid to cool down.
In a hot pot, add grassy jelly, cooked taro balls, cooked boba pearls, crystal boba, mixed fruits, popping boba, red beans boba, milk, black tea liquid and condensed milk.
Gently stir everything together until well combined.