How can I make tapioca starch at home?

To make tapioca starch at home, you can start by soaking tapioca pearls in water for a few hours. Then, grind the soaked pearls into a fine powder using a food processor or blender. Finally, sift the ground tapioca to remove any larger pieces. This homemade tapioca starch can be used as a thickening agent in cooking and baking.