Refreshingly Sweet Thai Longan Drink | Nam Lamyai | Longan Water: A Taste of Thailand
Do you ever sip on a drink that takes you right back to your childhood? For me, that’s the Thai Longan Drink, or Nam Lamyai—a delightful treasure from Thailand that never fails to evoke warm memories of summer afternoons spent at my grandmother’s home. The aroma of the dried longan mingling with the enchanting scent of pandan leaves brings back such vivid images: laughing with family, sharing stories, and simply enjoying life.
What makes this drink so special? It’s the perfect combination of rich, caramel-like sweetness from the longan mixed with the unique herbal notes of pandan. This drink doesn’t just quench your thirst; it soothes your soul. Better yet, my version of this recipe is simple and allows for customization, making it accessible to everyone, whether you’re an expert in the kitchen or a complete novice.
In this post, I’ll take you through everything you need to know to create the perfect Thai Longan Drink | Nam Lamyai | Longan Water, from ingredient selection to expert tips. By the end, you’ll not only have a refreshing and delicious beverage but also a compelling new story to share around your own family table.
What Are Thai Longan Drink | Nam Lamyai | Longan Water?
The Thai Longan Drink has its roots deeply embedded in Thai culture, with longan fruit being celebrated for centuries for its sweetness and health benefits. Known as “lamyai” in Thai, this small, brown fruit bursts with texture that’s both juicy and soft—a true delight to the senses.
The flavor? Imagine a cross between lychee and grape, but more complex and rich. The longan’s sweetness is perfectly complemented by the fragrant pandan, creating a drink that is both refreshing and exotic. It’s typically enjoyed during hot summer days or simply as a comforting treat with family and friends.
Making Thai Longan Drink is a ritual that brings people together and shows off the fantastic flavors of Southeast Asia. It’s the perfect pick-me-up, whether for a casual afternoon or a special celebration.
Why You’ll Love This Recipe
Homemade Goodness: There’s nothing like the satisfaction of making your own drinks at home. This Thai Longan Drink | Nam Lamyai | Longan Water is incredibly easy to whip up, delighting your taste buds while impressing your friends.
Freshness Over Store-Bought: Unlike store-bought versions that often come loaded with sugars and artificial flavors, this recipe celebrates the natural sweetness of longan with organic ingredients. You’ll taste the difference!
Customizable to You: Want it sweeter? Add more sugar! Prefer it less sweet? No problem, just adjust the sugar levels. You can even experiment with additional flavors like coconut or lime to give it a personalized twist.
Cost-Effective: Making this drink at home is not only fun but also economical. A cup of this delicious longan drink could cost a pretty penny at a café, but with just dried longan, pandan leaves, and sugar, you’ve got a beautifully crafted beverage for a fraction of the price.
Effortlessly Easy: This recipe is straightforward and doesn’t require any fancy equipment. Just a pot and a stirring spoon will do! You can have it ready in about 40 minutes, making it an effortless addition to your family gatherings or casual evenings.
Ingredients Section

- 1/2 cup dried longan: Make sure to choose quality dried longan for the best flavor. Look for organic brands if you can!
- 3 pandan leaves: Fresh pandan leaves are ideal, but dried ones work too—just place them in a steeper to make for easy removal later.
- 50.7 ounces water: Filtered water works best to keep the flavor pure.
- 1 cup brown sugar: I recommend using Muscovado sugar for a deeper flavor, but you can use any brown sugar on hand.
Notes on Ingredient Quality/Substitutions
- Dried Longan: I’ve tried this drink with both standard and organic dried longan; the organic version felt richer in flavor, but both yield great results.
- Pandan Leaves: You might find pandan extract or essence in stores, but nothing compares to the fresh leaves!
- Brown Sugar: This drink takes well to various sweeteners, so feel free to use coconut sugar or even honey if that’s your jam.
Prep Notes
- Ensure that your longan is thoroughly rinsed and any impurities are removed before soaking.

Step-by-Step Instructions
Prepare the Longan: Rinse the dried longan under cool water until the water runs clear. Then, soak the longan in a bowl of water for about 20 minutes. This helps to rehydrate them and brings out their natural sweetness.
Chef’s Tip: Pre-soak for an additional 10 minutes if your longan seems particularly dry.
Prep the Pandan Leaves: Rinse the fresh pandan leaves well. If using dried ones, place them in a steeper for easy removal later. You want to maximize the flavor without bits of dried leaves in your drink.
Boil the Mixture: In a large pot, set over medium heat, add the soaked longan along with the pandan leaves and 50.7 ounces of fresh filtered water. Bring it to a gentle boil, then reduce the heat and let it simmer for about 20 minutes. You’ll know it’s ready when the longan flesh feels soft and aromatic.
Chef’s Tip: Keep a close eye on the temperature; you want a gentle simmer, not a vigorous boil, to maintain flavor integrity.
Sweeten the Pot: Once your longan has softened, increase the heat a bit and add the one cup of brown sugar. Stir continuously until the sugar dissolves completely. This should take about 2-3 minutes.
Cool and Serve: Remove the pot from the heat, and allow the drink to cool to room temperature. Serve over ice for a refreshing experience, or store in the refrigerator to chill.
Chef’s Tip: The drink can be made in larger batches for parties; just remember to adjust the sweetness to your liking!
Expert Tips & Tricks
Storage: Store any leftover drink in a sealed container in the refrigerator for up to 5 days.
Make-Ahead Instructions: This drink tantalizes taste buds the next day! Make it a day in advance for the flavors to meld beautifully.
Troubleshooting: If your drink turns out too sweet, just add a bit more water to dilute. If it’s too watery, simply return it to heat and simmer until it thickens to your liking.
Flavor Boost: For a deeper flavor profile, consider adding a splash of coconut milk for a creamy, tropical twist—perfect for special occasions!
Experiment with Spices: A dash of fresh ginger or a splash of lime juice can elevate the taste even more, adding that extra zing!
Serving Suggestions
This Thai Longan Drink | Nam Lamyai | Longan Water pairs beautifully with light snacks like spring rolls, or as a refreshing palate cleanser between heavier dishes. Serve in glass cups garnished with fresh mint leaves for an elegant touch. This drink is perfect for summer barbecues or family picnics, and it always draws a smile when served at birthdays or festive gatherings!
Variations & Substitutions
- Coconut Longan: Mix in a splash of coconut milk for a richer drink.
- Herbal Kombos: Swap out pandan for mint or lemongrass for a different herbal twist.
- Seasonal Fruits: Feel free to toss in seasonal fruits that pair nicely with longan, such as lychee or rambutan, for a fruity delight.
- Dietary Adaptations: For a sugar-free option, try erythritol or stevia.
Nutrition & Storage Info
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Total Time: 40 minutes
- Yield: Approximately 4 servings
- Estimated Calories: 150 calories per serving (based on using brown sugar)
Storage Instructions
Store in a sealed container:
- Room Temp: Not recommended
- Fridge: Up to 5 days
- Freezer: Not recommended
FAQ Section
Can I use fresh longan instead of dried?
- Absolutely! Fresh longan would give a different texture and taste. You may need to adjust the sugar since fresh longan is usually sweeter.
Is this recipe vegan?
- Yes, deliciously so! All ingredients used are plant-based.
What if I can’t find pandan leaves?
- You might be able to find pandan extract, though it won’t replicate the exact taste. Alternatively, leave them out for a simpler longan drink.
Can I use different sugars?
- Yes, experiment with coconut sugar or even honey for a different flavor profile.
Can I make this drink alcoholic?
- You can add a splash of vodka or rum for a fun twist while maintaining the same base.
How do I serve this drink?
- Serve chilled, over ice, and garnish with fresh herbs like mint or sliced lime for an extra pop of color!
Is longan drink served hot or cold?
- It’s typically enjoyed chilled, but some people do love a warm version in cooler weather.
How can I adjust sweetness for personal preferences?
- Simply increase or decrease the amount of sugar in the recipe according to your taste.
Can I use bottled longan juice instead?
- While you can, it’s better to use whole dried longan to capture the drink’s essence fully.
Where can I find dried longan and pandan leaves?
- Most Asian grocery stores carry these ingredients; you can also find them online.

Conclusion
This Thai Longan Drink | Nam Lamyai | Longan Water is more than just a drink—it’s a conduit for memories and an opportunity to create new ones. I truly believe that every sip of this refreshing beverage holds the power to connect us with our roots, our families, and our friends. So why not give it a go?
Let me know how it turns out in the comments! And if you loved this recipe, check out my blog for other delightful drinks and desserts inspired by the vibrant flavors of Southeast Asia. Cheers, and happy sipping!
Print
Thai Longan Drink | Nam Lamyai | Longan Water
- Total Time: 40 minutes
- Yield: 4 servings 1x
- Diet: Vegan
Description
A refreshing and sweet Thai Longan Drink combining dried longan and pandan, perfect for quenching thirst and evoking memories of summer afternoons.
Ingredients
- 1/2 cup dried longan
- 3 pandan leaves
- 50.7 ounces filtered water
- 1 cup brown sugar
Instructions
- Prepare the longan: Rinse the dried longan under cool water until the water runs clear. Soak it in a bowl of water for about 20 minutes.
- Prep the pandan leaves: Rinse the fresh pandan leaves well. If using dried ones, place them in a steeper for easy removal later.
- Boil the mixture: In a large pot over medium heat, add the soaked longan and pandan leaves along with the water. Bring to a gentle boil, then reduce heat and let simmer for 20 minutes.
- Sweeten the pot: Increase the heat and add the brown sugar, stirring until dissolved, about 2-3 minutes.
- Cool and serve: Remove from heat and allow to cool to room temperature. Serve over ice or store in the refrigerator.
Notes
This drink is customizable; adjust sweetness as desired and consider adding coconut milk or seasonal fruits for variations.
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Category: Beverage
- Method: Boiling
- Cuisine: Thai
Nutrition
- Serving Size: 1 serving
- Calories: 150
- Sugar: 30g
- Sodium: 0mg
- Fat: 0g
- Saturated Fat: 0g
- Unsaturated Fat: 0g
- Trans Fat: 0g
- Carbohydrates: 35g
- Fiber: 0g
- Protein: 0g
- Cholesterol: 0mg
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