Experience a burst of refreshing flavors with this Thai watermelon salad. Combining the sweetness of watermelon with the tang of lime juice and the crunch of roasted peanuts, this dish is perfect for a light summer meal or a unique side dish.
Some ingredients in this recipe might not be staples in your pantry. Fish sauce is a key component in Thai cuisine, providing a salty, umami flavor. If you don't have it, you can find it in the Asian section of most supermarkets. Fresh mint leaves and cilantro add a burst of freshness, while chili flakes give a subtle heat. Make sure to pick up these items if they're not already in your kitchen.

Ingredients for Thai Watermelon Salad
Watermelon: The star of the salad, providing a juicy and sweet base.
Red onion: Adds a sharp, tangy flavor that contrasts with the sweetness of the watermelon.
Mint leaves: Fresh and aromatic, they add a cooling element to the salad.
Cilantro: Offers a fresh, citrusy flavor that complements the other ingredients.
Roasted peanuts: Provide a crunchy texture and a nutty taste.
Lime juice: Adds a zesty tang that brightens the flavors.
Fish sauce: Brings a salty, umami depth to the dressing.
Sugar: Balances the acidity and enhances the overall flavor.
Chili flakes: Adds a touch of heat to the salad.
Technique Tip for This Salad
To enhance the flavor of the watermelon, consider chilling it in the refrigerator for at least an hour before preparing the salad. This will ensure the fruit is refreshingly cold and crisp. Additionally, when chopping the mint and cilantro, use a sharp knife to avoid bruising the herbs, which can cause them to lose their vibrant color and fresh taste. For the dressing, make sure to whisk the lime juice, fish sauce, sugar, and chili flakes until the sugar is fully dissolved to achieve a well-balanced flavor.
Suggested Side Dishes
Alternative Ingredients
watermelon - Substitute with cantaloupe: Cantaloupe has a similar texture and sweetness, making it a good alternative.
red onion - Substitute with shallots: Shallots have a milder flavor and can provide a similar crunch without overpowering the dish.
fresh mint leaves - Substitute with basil: Basil offers a fresh and aromatic flavor that complements the other ingredients well.
fresh cilantro - Substitute with parsley: Parsley provides a fresh, slightly peppery taste that can stand in for cilantro.
roasted peanuts - Substitute with toasted almonds: Toasted almonds offer a similar crunch and nutty flavor.
lime juice - Substitute with lemon juice: Lemon juice provides a similar acidity and brightness to the dish.
fish sauce - Substitute with soy sauce: Soy sauce offers a savory umami flavor, though it lacks the fishy undertone.
sugar - Substitute with honey: Honey adds sweetness and a slight floral note, enhancing the overall flavor.
chili flakes - Substitute with fresh chili: Fresh chili can provide a similar heat and a more vibrant flavor.
Other Alternative Recipes Similar to This Salad
How to Store or Freeze This Salad
To store the Thai watermelon salad, place it in an airtight container. This will help maintain its freshness and prevent any unwanted odors from seeping in.
Keep the container in the refrigerator. The salad will stay fresh for up to 2 days. Beyond this, the watermelon may start to release too much liquid, making the salad soggy.
If you plan to make the salad ahead of time, consider storing the dressing separately. Combine the lime juice, fish sauce, sugar, and chili flakes in a small jar or container. This will prevent the watermelon from becoming too watery.
When ready to serve, simply pour the dressing over the salad and toss gently to combine. This will ensure the flavors are fresh and vibrant.
Avoid freezing the Thai watermelon salad. The high water content in watermelon makes it unsuitable for freezing, as it will become mushy and lose its texture once thawed.
If you have leftover watermelon, you can freeze the cubes separately for use in smoothies or other recipes. Spread the cubes on a baking sheet in a single layer and freeze until solid. Then transfer them to a freezer-safe bag or container.
For the best taste and texture, always use fresh ingredients. The mint leaves, cilantro, and red onion should be added just before serving to maintain their crispness and flavor.
If you need to refresh the salad, add a squeeze of fresh lime juice and a sprinkle of chili flakes before serving. This will brighten up the flavors and give it a fresh kick.
How to Reheat Leftovers
First and foremost, let's acknowledge that watermelon is a delicate fruit. Reheating it directly might not be the best idea. Instead, consider these creative methods to enjoy your leftover Thai watermelon salad:
Chilled Delight: Simply enjoy it cold! This salad is refreshing and best served chilled. Store it in an airtight container in the fridge and consume within a day or two to maintain its freshness.
Room Temperature Revival: Take the salad out of the fridge and let it sit at room temperature for about 15-20 minutes. This will take the chill off without compromising the texture of the watermelon and mint leaves.
Transform into a Salsa: Dice the watermelon and mix it with some fresh tomatoes, jalapeños, and a bit more lime juice. Serve it with tortilla chips for a delightful twist.
Grilled Watermelon: If you're feeling adventurous, try grilling the watermelon. Lightly brush the cubes with a bit of olive oil and grill them for about 2 minutes on each side. This will caramelize the sugars and add a smoky flavor. Toss the grilled watermelon back into the salad for a unique taste.
Smoothie Transformation: Blend the leftover salad (minus the peanuts) with some yogurt or coconut milk. Add a bit of honey if needed. This will give you a refreshing and nutritious smoothie.
Watermelon Gazpacho: Blend the watermelon with some cucumber, tomatoes, and a splash of vinegar. Chill it and serve as a cold soup. This method transforms your salad into a delightful gazpacho.
Reinvigorate with Fresh Ingredients: Add some fresh mint leaves, cilantro, and a squeeze of lime juice to the leftover salad. This will refresh the flavors and make it taste almost as good as new.
Serve with a Protein: Pair the leftover salad with some grilled chicken or shrimp. The savory protein will complement the sweet and tangy flavors of the salad, making it a more substantial meal.
Best Tools for Making This Salad
Large bowl: Use this to combine the watermelon, red onion, mint, cilantro, and peanuts.
Small bowl: Use this to whisk together the lime juice, fish sauce, sugar, and chili flakes for the dressing.
Whisk: This is essential for mixing the dressing ingredients thoroughly.
Knife: Use a sharp knife to cube the watermelon and chop the mint, cilantro, and peanuts.
Cutting board: A sturdy surface for safely cutting the watermelon and chopping the herbs and peanuts.
Measuring cups: These are necessary to measure out the watermelon, red onion, mint, cilantro, and peanuts accurately.
Measuring spoons: Use these to measure the lime juice, fish sauce, sugar, and chili flakes precisely.
Serving spoon: This will help you toss the salad gently and serve it immediately.
How to Save Time on Making This Salad
Pre-cut ingredients: Buy pre-cut watermelon and pre-sliced red onion to save chopping time.
Use a food processor: Quickly chop mint leaves, cilantro, and roasted peanuts using a food processor.
Make dressing ahead: Prepare the lime juice, fish sauce, sugar, and chili flakes dressing in advance and store it in the fridge.
Batch preparation: Double the recipe and store extra portions for quick assembly later.

Thai Watermelon Salad Recipe
Ingredients
Main Ingredients
- 4 cups watermelon, cubed
- 0.5 cup red onion, thinly sliced
- 0.25 cup fresh mint leaves, chopped
- 0.25 cup fresh cilantro, chopped
- 0.25 cup roasted peanuts, chopped
- 2 tablespoons lime juice
- 1 tablespoon fish sauce
- 1 tablespoon sugar
- 0.5 teaspoon chili flakes
Instructions
- In a large bowl, combine watermelon, red onion, mint, cilantro, and peanuts.
- In a small bowl, whisk together lime juice, fish sauce, sugar, and chili flakes.
- Pour the dressing over the salad and toss gently to combine.
- Serve immediately.
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