2.5 Large Tapioca Balls, also known as boba, bubble pearls or black pearls, are the classic soft, chewy tapioca topping in a larger 2.5mm size. Best for: Menus wanting a bigger-bite pearl, cake and pastry kitchens, dessert bars. Why operators choose this: The larger 2.5mm pearl needs 25 minutes of boiling and 25 minutes of resting, five m