Otai Tongan Watermelon Drink

Featured in Sip in Style.

'Otai is a beloved summer beverage from Tonga, brimming with tropical fruit flavors. Shredded, seedless watermelon forms the juicy base, complemented by crushed pineapple with its sweet-tart notes and coconut for creaminess. Everything is combined in a large bowl, then balanced with coconut milk, water for perfect consistency, and sugar to taste. Serve it cold, poured over ice for extra chill. This vibrant treat is perfect for hot days and festive gatherings, offering a taste of the islands in every sip. Customize sweetness and dilution for your ideal refreshment.

Barbara Chef
Updated on Thu, 22 May 2025 12:53:37 GMT
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Two glasses of pink drinks on a table. | gracefulflavors.com

This cool and creamy Tongan watermelon drink has become my go to refresher for sweltering summer days. The bright flavors of juicy watermelon blend perfectly with coconut and pineapple and every pitcher brings a taste of island sunshine to my kitchen.

Ingredients

  • Seedless watermelon: shredded for maximum juiciness and easy sipping Look for a watermelon that feels heavy for its size and has a yellow field spot
  • Canned crushed pineapple with juice: adds tang and tropical sweetness Select a can with just fruit and juice no extra syrups
  • Fresh shredded coconut: brings texture and a burst of coconut flavor If fresh is unavailable use frozen unsweetened coconut
  • Canned coconut milk: creates a rich creamy base Shake the can well before opening to blend the cream
  • Water: helps reach your favorite consistency Add slowly until it is just how you like it
  • Granulated sugar to taste: brightens the fruit flavors Taste before adding you may not need much if your fruit is sweet

Step-by-Step Instructions

Prepare the Watermelon:
Use a fork or large holed grater to shred the watermelon over a large bowl letting all the juices collect This step brings out the most natural flavor and texture
Combine the Fruits:
Add the crushed pineapple with its juice shredded coconut and coconut milk to the bowl with watermelon Stir well to evenly distribute the pineapple and coconut throughout
Adjust Consistency:
Gradually add two to three cups of water while stirring Taste and check the thickness You want it drinkable but still rich and fruity
Sweeten to Taste:
Stir in sugar a little at a time tasting after each addition until you reach your perfect level of sweetness Some watermelons are sweet enough to need very little
Chill and Serve:
Cover the bowl or transfer to a pitcher and chill thoroughly Pour over crushed ice if you like or just serve cold
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Two glasses of pink drinks on a table. | gracefulflavors.com

I love the fresh coconut in this recipe It brings a hint of chew and authenticity to the drink and always brings back memories of laughing with family around the table with condensation running down our glasses

Storage Tips

Store leftovers in a covered container in the refrigerator for two days Stir well before serving as the fruit may settle on the bottom. If you plan to keep it longer hold off on adding ice until before serving so it does not water down the drink

Ingredient Substitutions

No fresh coconut available Use finely shredded unsweetened dried coconut and soak it briefly in hot water to soften. You can swap canned pineapple chunks pulsed in the blender if crushed pineapple is not on hand

Serving Suggestions

Serve over crushed ice for extra chill or try using as a mixer for a summer cocktail Stir in a splash of lime or float a wedge of pineapple on top for a fun finish

Two glasses of pink drinks on a table. Pin it
Two glasses of pink drinks on a table. | gracefulflavors.com

Cultural Context

Otai is a beloved summer drink in Tonga where watermelon pineapple and coconut are classic flavors. Served at gatherings and celebrations it is as much about family connection as refreshment. Each family may have its twist based on what is available

Frequently Asked Questions

→ What type of watermelon works best for Otai?

Seedless watermelon is ideal for Otai, as it makes shredding and mixing easier, but any ripe, juicy watermelon can be used.

→ Can I substitute fresh pineapple for canned?

Yes, fresh pineapple may be used. Just make sure to include juice for sweetness and balance, or adjust sugar to taste.

→ How do I shred watermelon for this drink?

Use a large-holed grater, melon scraper, or fork to shred the watermelon flesh into small, juicy pieces.

→ Should Otai be served chilled?

Otai is best enjoyed cold. Serve it straight from the fridge or pour over plenty of crushed ice for extra refreshment.

→ Is coconut milk essential?

Coconut milk enhances the creamy texture and brings a tropical flavor, but you can reduce or omit it if preferred.

→ How can I adjust the sweetness?

Add granulated sugar gradually and taste as you go, since both pineapple and watermelon provide natural sweetness.

Otai Tongan Watermelon Drink

A sweet Tongan drink with watermelon, pineapple, coconut, and chilled for ultimate tropical refreshment.

Prep Time
15 Minutes
Cook Time
~
Total Time
15 Minutes
By: Barbara


Difficulty: Easy

Cuisine: Tongan

Yield: 1 large pitcher

Dietary: Vegan, Vegetarian, Gluten-Free, Dairy-Free

Ingredients

→ Main Ingredients

01 1 kilogram seedless watermelon, shredded
02 567 grams canned crushed pineapple with juice
03 50 grams shredded fresh coconut
04 400 milliliters canned coconut milk
05 473-710 milliliters water
06 40 grams granulated sugar, or to taste

Instructions

Step 01

In a large mixing bowl, add shredded watermelon, crushed pineapple with its juice, and shredded coconut.

Step 02

Pour the coconut milk into the fruit mixture and stir thoroughly to combine.

Step 03

Gradually mix in 473 to 710 milliliters of water until the drink reaches the preferred consistency.

Step 04

Stir in granulated sugar to taste, ensuring it is fully dissolved.

Step 05

Serve the beverage well chilled with crushed ice if desired.

Notes

  1. For optimal flavor, use freshly shredded coconut and adjust the sweetness to personal preference.

Tools You'll Need

  • Large mixing bowl
  • Grater or melon scraper
  • Stirring spoon

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains coconut

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 160
  • Total Fat: 4 g
  • Total Carbohydrate: 33 g
  • Protein: 2 g