Spicy Watermelon Cucumber Salad

This watermelon cucumber salad is crisp, juicy, and refreshing, with fresh mint, salty feta, lime, and serrano pepper for a sweet-and-spicy summer side dish.

Jump to:

• Why You'll Love This Watermelon Cucumber Salad
• Ingredient Notes
• How To Make Watermelon Cucumber Salad
• Tips For the Best Summer Watermelon Salad
• Variations and Substitutions
• What To Serve With Watermelon Cucumber and Feta Salad
• Make-Ahead and Storage
• More Refreshing Summer Recipes
• Watermelon Cucumber Salad Recipe

This cucumber and watermelon salad combines juicy watermelon, crisp cucumber, salty feta, and fresh mint with lime and serrano peppers for a refreshing sweet-and-spicy summer side. After testing when to dress the salad, I found that tossing and dressing the salad just before serving gives you the brightest flavor without an overly watery dressing.

Ready in just 15 minutes, it's an easy no-cook recipe for cookouts, picnics, and warm-weather dinners.

Why You'll Love This Watermelon Cucumber Salad

• Sweet, spicy, and tangy: Juicy watermelon balances the heat from serrano and the acidity of fresh lime.
• Ready in 15 minutes: There is no cooking required-just chop, toss, and serve.
• Crisp and refreshing: Cucumber adds crunch without overpowering the watermelon.
• Easy to adjust: Use more or less serrano pepper depending on your preferred heat level.
• Perfect for summer gatherings: It pairs especially well with grilled foods, tacos, and other cookout favorites.

Ingredient Notes

• Watermelon: Use ripe watermelon; cut it into bite-sized cubes and drain away any juice that collects before assembling the salad.
• Cucumber: English or Persian cucumbers provide the best crunch and have thin skins, so they do not need to be peeled. If using a standard cucumber, peel and remove the seeds.
• Serrano pepper: Remove the ribs and seeds for milder heat, or leave some intact for a spicier salad. Slice or mince it finely so the heat is evenly distributed.
• Red onion: Adds a sharp bite to the salad.
• Fresh lime juice: Its acidity balances the sweetness of the watermelon. Fresh juice tastes brighter than bottled.
• Feta: Adds a salty, creamy contrast. Leave it out for a vegan and dairy-free watermelon salad, or use vegan feta.
• Fresh mint: Adds freshness and keeps the salad in savory territory.

How To Make Watermelon Cucumber Salad

See the recipe card below for ingredient amounts and printable instructions.

Make the dressing. Whisk together the lime juice, honey, olive oil, garlic powder, and salt in a small bowl.

Combine the produce. Add the watermelon, cucumber, serrano pepper(s), red onion, and mint to a large serving bowl.

Dress the salad. Add the dressing and toss gently so the watermelon holds its shape.
Finish and serve. Sprinkle with feta and serve immediately.

Tips For the Best Summer Watermelon Salad

• Cut evenly sized pieces. Similar-sized cubes give you watermelon, cucumber, and seasoning in every bite.
• Add the dressing just before serving. Salt draws moisture from the fruit, so the salad becomes increasingly juicy as it sits.
• Start with less chile. Pepper heat varies considerably, and you can always add more.
• Toss gently. Ripe watermelon bruises and breaks apart easily.
• Serve chilled, but not ice-cold. Briefly chilled fruit is refreshing, while extremely cold watermelon can mute the lime, herbs, and seasoning.

Variations and Substitutions

• Make it mild: Omit the serrano pepper or remove all ribs and seeds.
• Make it dairy-free: Leave out the feta or use dairy-free feta.
• Change the herbs: Substitute basil or cilantro for mint.
• Add avocado: Fold it in immediately before serving.

What To Serve With Watermelon Cucumber and Feta Salad

Serve this salad as a refreshing side for veggie burgers, grilled tofu, tacos, or other rich and smoky summer dishes. It would also pair well with my corn black bean and avocado salsa, smoky ranch mushroom sandwich, tortellini salad with pesto, or chilled cucumber gazpacho as part of a colorful cookout spread.

Make-Ahead and Storage

For the crispest texture, serve the salad shortly after adding the dressing. You can cut the watermelon and cucumber and prepare the dressing several hours ahead, but store them separately in the refrigerator and combine everything shortly before serving.

Store leftovers in an airtight container in the refrigerator for up to 3 days. The salad will release additional liquid as it sits, so drain it briefly before serving again.

More Refreshing Summer Recipes

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