Juice Boba

Ingredience

Makes ¾ cup

Juice mixture:

- 1 cup fruit juice (strained, no pulp – watermelon, mango, lychee, etc.)

- 1–2 Tbsp sugar or sweetener (optional)

- ½ tsp sodium alginate (used in spherification)

- Optional: gel food coloring or flavor extract

Calcium bath:

- 2 cups cold water

1 tsp calcium lactate or calcium chloride (either works)

Tools needed:

- 2 bowls (one for calcium bath, one for water rinse)

- Squeeze bottle, dropper, or syringe

- Fine mesh strainer or slotted spoon

- Bowl of cold water (for rinsing boba)

Pokyny

1. Make the Juice Base

In a blender or bowl, combine:

1 cup strained juice

½ tsp sodium alginate

Sweetener and color (if using)

🌀 Blend well for 1 minute until smooth and slightly thickened. Let sit 15–30 minutes to reduce air bubbles.

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2. Prepare the Calcium Bath

In another bowl:

Stir 1 tsp calcium lactate (or chloride) into 2 cups water until completely dissolved.

This will react with the sodium alginate to form the gel membrane!

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3. Form the Boba Pearls

Fill a squeeze bottle or dropper with the juice mixture.

Gently drip into the calcium bath—each drop will instantly form into a round ball with a liquid center.

Let each boba sit for 30–60 seconds max. The longer they sit, the thicker the shell.

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4. Rinse & Use

Scoop out the boba using a strainer or spoon.

Rinse gently in cold water bowl to stop the reaction and remove excess calcium taste.

✅ Ready to use in:

Iced tea or lemonade 🧋

Bubble tea or sparkling drinks 🥤

Fruit salads or desserts 🍨