This watermelon salad is sweet, salty, and cold, all in one bite. Juicy watermelon, cotija cheese, red onion, jalapeño, and fresh mint tossed in a quick lime dressing. It comes together in 15 minutes, no cooking required.
A Note from Isabel
If you grew up Mexican, you already know watermelon isn’t just watermelon. It gets a squeeze of lime, a little salt, and a shake of chile before it ever hits your mouth. This salad takes that same idea and turns it into a bowl you can set out at any cookout, right next to a big batch of Mexican fruit salad.
Here’s what’s going on: sweet watermelon, salty cotija, sharp red onion, a little heat from the jalapeño, and cool mint, all brought together with lime juice and olive oil. Sweet and salty is the combo everybody talks about, but it’s the chile and lime that make this one taste like home to me.
The first time I served it, my family gave me the look. Sweet watermelon with salty cheese and onion? Just trust me, I said. One bite in, they got it. Now I make a big bowl every summer while the watermelon’s good, and it never lasts long. If I’ve got half a melon left over, it goes straight into a watermelon margarita or a pitcher of watermelon agua fresca.
A couple notes before you scroll down. I use cotija because that salty, crumbly bite is exactly what watermelon wants, but feta works too if that’s what you’ve got. And if you like things spicy, leave some of the jalapeño seeds in.
Ingredients You’ll Need
Here’s everything that goes into this salad. Full amounts are in the recipe card below.
- Watermelon: Go for a nice ripe, sweet one since it’s the star here. Chill it before you cut it so the salad is cold right from the start. Seedless is easiest, but any watermelon works.
- Cotija cheese: This is the salty, crumbly Mexican cheese that plays off the sweet watermelon so well. Don’t crumble it too fine. You want some bigger chunks in there. If you can’t find cotija, feta gives you that same salty bite.
- Red onion: Adds a sharp, savory bite that cuts through all the sweetness. Slice it thin so it mixes in without taking over.
- Jalapeño: A little heat to balance the sweet and salty. I seed mine so it’s mild, but if you like more kick, leave some seeds in.
- Fresh mint: Cool and bright, and it ties the lime and watermelon together. Slice it thin right before you toss everything.
- English cucumber: This keeps the salad from being all sweet. English cucumber has thin skin so you don’t have to peel it. A regular cucumber works too, just peel it first.
- Limes: You’ll use both the zest and the juice. The zest is where a lot of the bright lime flavor lives, so don’t skip it.
- Olive oil and salt: Rounds out the dressing and pulls everything together. I use kosher salt.
How to Make Watermelon Salad
This one’s about as easy as it gets. No cooking, just chop, toss, and serve.
- Make the dressing. In a small bowl or jar, stir together the lime zest, lime juice, olive oil, and salt.
- Combine everything. Add the watermelon, cucumber, cotija, red onion, mint, and jalapeño to a large bowl.
- Toss and serve. Pour the dressing over the top and gently toss. Serve right away while it’s cold.
Frequently Asked Questions
Yes. Cotija is my pick for that salty, crumbly Mexican flavor, but feta gives you a similar salty bite and works great. Use whichever one you can find.
Not at all, but I really like what it does here. The cool, crisp cucumber balances all that sweet watermelon and makes this feel like a proper watermelon cucumber salad. If you’d rather leave it out, the salad’s still delicious.
It’s best fresh, but you can prep the pieces early. Chop the watermelon, cucumber, onion, and mint and keep them separate in the fridge, and mix the dressing up to a few days ahead. Toss it all together right before serving so nothing gets watery.
Fresh basil is a great swap and turns this into more of a watermelon mint salad’s cousin, just with a different herb. You can also use a mix of both mint and basil if you’ve got them.
Only as spicy as you want it. With the jalapeño seeded it’s very mild. Leave the seeds in or use a serrano for more heat.
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Make the dressing. Add the lime zest, lime juice, olive oil, and salt to a small bowl or jar and stir to combine.
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Assemble the salad. Add the watermelon, cucumber, cotija cheese, red onion, mint, and jalapeño to a large bowl. Pour the dressing on top and gently toss to combine. Serve immediately.
Prevent your screen from going dark
- Cotija cheese: Don’t crumble it too fine. Leaving some bigger chunks gives you a real bite of salty cheese. No cotija? Feta works too.
- Jalapeño: Seed it for a mild salad, or leave some seeds in for more heat.
- Cucumber: English cucumber doesn’t need peeling. If you use a regular cucumber, peel it first.
- Chill first: Chill your watermelon before cutting so the salad is cold right away.
- Storage: This salad is best the day you make it. Leftovers keep in an airtight container in the fridge for about a day, though they’ll get waterier as they sit. Give it a stir and serve with a slotted spoon to leave the extra juice behind. To prep ahead, store the chopped fruit and veggies separately and mix the dressing up to a few days early, then toss together right before serving.
Serving: 1serving | Calories: 118kcal | Carbohydrates: 16g | Protein: 3g | Fat: 6g | Saturated Fat: 2g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Cholesterol: 8mg | Sodium: 183mg | Potassium: 278mg | Fiber: 2g | Sugar: 11g | Vitamin A: 1051IU | Vitamin C: 22mg | Calcium: 76mg | Iron: 1mg
Nutrition information is automatically calculated, so should only be used as an approximation.
Tips for the Best Watermelon Salad
- Serve it cold and fresh. This salad is best the moment you make it. Watermelon and cucumber both let out a lot of water as they sit, so the longer it hangs around, the more watery it gets. Chill your watermelon ahead of time so it’s cold going in.
- Salt right before serving. Salt pulls even more juice out of the watermelon, so wait to add the dressing until you’re ready to set the bowl out.
- Make it your own. A handful of fresh basil is great alongside the mint. Diced avocado adds a creamy, rich touch. And if you want more chile-lime flavor, a shake of TajÃn over the top right before serving is so good.
What to Serve With Watermelon Salad
This salad is cool, sweet, and refreshing, which makes it the perfect thing to set next to anything hot off the grill. It’s especially good alongside something rich or spicy since it balances everything out. A few of my favorites to serve it with:
How to Pick a Ripe Watermelon
Since the watermelon is the whole show here, it’s worth grabbing a good one. A few things I look for:
- Find the yellow spot. Flip the watermelon over and look for the pale patch where it sat on the ground. You want it creamy yellow, not white or pale green. That’s the sign it ripened on the vine.
- Pick it up. It should feel heavy for its size. That heaviness means it’s full of juice.
- Give it a knock. Tap it with your knuckles. A ripe one sounds deep and hollow. A dull thud usually means it’s overripe.
- Check the skin. You want a dull, matte rind, not a shiny one. And skip any melon with soft spots, dents, or cuts.
If you’re not sure, a lot of stores sell pre-cut halves so you can see exactly what you’re getting.