Popping Boba - Reverse spherification giant popping boba

How to make a giant popping boba that bursts juice in your mouth? This recipe teaches us how to use the reverse spherification technique to make a snow-globe-like popping boba with a floating filling.

Unbalanced

% Daily Values based on a 2,000 calorie diet

Step 1

Place fruits or edible flowers of your choice into the sphere ice mold. (Do not overfill the ice mold. In each tray, I'd put only 1 small strawberry, or 3 edible sakura flowers, or other fruits in similar size of a small strawberry. You can add some sweet fermented rice or edible glitter to make the popping boba look prettier, like a snow globe.)

Step 2

Add 6g calcium lactate and 600g juice of your choice (I used Sprite)to a large bowl, whisk until fully dissolved. Pour the calcium lactate solution into the bottom piece of the ice cube tray, snap the top part on, then pour or inject the rest of the solution through the hole on the top until each ice cube tray is full.

Step 3

Keep the sphere ice mold in the freezer for at least 4 hours (or overnight) until the solution is solid.

Step 4

Add 5g sodium alginate and 1 liter of clean water to a blender. Blend on high speed until the sodium alginate is fully dissolved. (You can also whisk by hand. But the sodium alginate could be hard to dissolve. You may need to keep whisking for about 10 minutes.)

Step 5

Pour the sodium alginate solution into a pot, warm it up to about 70°C/158°F. (You can use a food thermometer, or tell the water temperature by observing: Once tiny bubbles start to form on the bottom of the pot, the water is around 70°C/158°F.)

Step 6

Turn off the heat, pour the warm sodium alginate solution to a large cup. Gently drop a calcium lactate ice ball into the warm solution. Let the ice ball sit, uninterrupted in the warm bath, for about 5 minutes or until the ice is completely thawed. (At the beginning, the ice ball will float on the surface. You don't need to press it into the water. It will gradually be submerged under the water as it gets thawed.)

Step 7

Use a slotted spoon to transfer the popping boba to a serving plate.

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