Place vegetable oil into a tall glass and put into the fridge for 30 minutes. This is where we will place the boba and allow it to harden. It will start to get thick as it heats up, and once it is ...

If you want blue balls, swap the cocoa out for butterfly pea powder in the same amount, or do the same with matcha powder for green balls. To make boba dough, you'll start by making a simple syrup.