How to Make Boba Taro Lava Bubble Tea with Green Tea

What you need

• medium pot with lid
• tea strainer or filter
• mixing bowls or cups
• tablespoon measure
• jigger or measuring cup (ml markings)
• 8 oz serving cup
• 16 oz serving cup
• 22 oz serving cup

Method

1. Make the milk syrup: combine approximately 300 g condensed milk with approximately 300 ml evaporated milk and stir until fully blended

   This syrup acts as the sweetener for the entire drink — no additional sugar is added to the tea base

2. Bring 1.5 liters of water to a full boil in a medium pot

3. 10 min steep

   Add green tea leaves to the boiling water, stir them in, turn off the heat, cover the pot, and steep for 10 minutes, then strain out the leaves

   Black tea can be used in place of green tea

   Expert tipIf the strained yield falls below 1.5 liters, top up with plain water to restore the full volume before continuing

4. Add non-dairy creamer to the warm tea and stir until fully combined, skimming any foam from the surface

   Do not add sugar — the milk syrup in the lava provides all the sweetness

5. Mix the taro lava to order by cup size: for 8 oz combine 1 tablespoon taro powder with 30 ml milk syrup; for 16 oz use 2 tablespoons powder and 45 ml syrup; for 22 oz use 3 tablespoons powder and 60 ml syrup — stir each portion until smooth and thick, scraping the sides of the cup

   The result should be a rich, thick paste that flows slowly — this is the lava

6. Assemble each drink: add a scoop of purple tapioca pearls to the cup, fill with ice, pour in the milk tea (75 ml for 8 oz, 150 ml for 16 oz, 180 ml for 22 oz), then pour the taro lava over the top

   The lava goes on last so it cascades through the ice and tea, creating the layered visual effect

Why this works

Turning off the heat before steeping prevents bitterness from over-extracted green tea, while the non-dairy creamer disperses smoothly into the still-warm liquid. The milk syrup — condensed milk and evaporated milk combined — is thick and sweet enough to bind the taro powder into a pourable lava without any additional thickeners. Pouring the lava last over ice and tea creates the signature layered presentation because the dense paste sinks slowly, keeping the layers visually distinct. Matching the purple tapioca pearls to the violet hue of taro reinforces the drink's identity throughout.

Where beginners go wrong

1. 1

   Tea yield drops below 1.5 liters after straining

   Top up with plain water to bring the total back to 1.5 liters before adding the non-dairy creamer

2. 2

   Non-dairy creamer clumps or leaves foam

   Stir vigorously while the tea is still warm and skim the surface foam so the creamer is fully integrated

3. 3

   Taro lava is lumpy or has dry pockets of powder

   Scrape the sides and bottom of the mixing cup and continue stirring until the texture is uniformly smooth before pouring

4. 4

   Layers collapse immediately on pouring

   Ensure the cup is well-filled with ice before adding the tea, as the ice provides the physical structure that slows the lava's descent and preserves the layered effect

What you should taste

Sweet and creamy with an earthy taro flavor, a mild green tea undertone, and chewy purple tapioca pearls at the base

FAQ