Popping Boba vs Tapioca Pearls: What's the Difference and Which Should You Stock?

Quick answerTapioca pearls are chewy balls made from cassava (tapioca) starch. They must be cooked, then held in syrup, and are best used within about four hours. Popping boba are thin, gel-skinned spheres filled with fruit juice that burst when bitten. They come ready to use straight from the tub, with no cooking. Pearls suit milk teas and brown sugar drinks; popping boba suit fruit teas, slushes and frozen yoghurt. Most shops stock both.

Toppings are what make bubble tea bubble tea, and they're one of the biggest drivers of repeat customers. They behave very differently behind the counter, though. One needs a cooking routine and careful timing; the other just needs a spoon. Here's how they compare, and how to stock them without waste.

What each topping is

Tapioca pearls (boba) are made from tapioca starch, extracted from the cassava root. Dry pearls are boiled until soft, rested, rinsed and then soaked in a sugar syrup such as brown sugar or fructose, which gives them their sweetness and stops them sticking. The texture is the point: soft, bouncy and chewy, often called "QQ" in Taiwan.

Popping boba (popping pearls, juice balls) are made by spherification: fruit juice is dropped into a setting solution so that a thin, edible gel skin forms around it. They arrive ready to use in syrup, and burst with a pop of juice when bitten. They don't need cooking and must not be heated, because the skin breaks down.

Coconut jelly (nata de coco) is a third option worth knowing: firm, chewy cubes that are ready to use like popping boba but with a texture closer to pearls.

Side-by-side comparison

Best drink pairings

• Brown sugar milk with tapioca pearls: the classic "tiger" drink. Soak pearls in brown sugar syrup and streak the cup.
• Classic, Thai or taro milk tea with pearls: creamy drinks need the chew of tapioca.
• Mango or passion fruit green tea with popping boba: matching or contrasting fruit flavours.
• Strawberry or lychee slush with popping boba: the burst works best in cold, icy drinks.
• Lychee coconut jelly in fruit tea: a good option for customers who don't like the pop.

Keloo toppings and prices

Prices correct at time of writing.

Prep, storage and waste

• Cook pearls in batches through the day. Cooked tapioca hardens as it cools and goes stale, so cook smaller batches timed to your peaks rather than one big batch in the morning. A pearl cooker makes this hands-off.
• Never refrigerate cooked pearls. The cold makes them hard. Hold them at room temperature in syrup and discard at the end of their window.
• Keep popping boba sealed and cold once opened, and follow the storage instructions on the tub.
• Start with three or four popping boba flavours. Mango, strawberry, passion fruit and lychee cover most fruit-tea menus; the Mix & Match bundle is the cheapest way to start.
• Always check pack labels for allergens and keep the information to hand for customers.

Frequently asked questions

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