The ratio for making boba is 10 cups of water to every 1 cup of boba.
In a saucepan, bring the water to a boil and add in the tapioca pearls.
Once the tapioca pearls float to the top, turn the heat down to medium, and cook it for 30 minutes, while stirring every 5 minutes.
Turn off the heat after 30 minutes and cover with a lid for another 30 minutes. The tapioca pearls should then be fully cooked. If there is still a white spot in the centre, that means it’s still not fully cooked - repeat step 3 and 4 until there are no white spots.
Drain and rinse the pearls under cold running water (this will give it that chewy and bouncy texture).
In a saucepan, combine the brown sugar and a little water together and bring to a simmer until the sugar melts, to make brown sugar water. Turn off the heat and add in the cooked pearls and mix everything together. You can let it sit for a few minutes to let the pearls soak up everything. Your pearls are now ready to use.