Kate Middleton’s Watermelon Salad Is My Go-To Cookout Side (With This Tasty Twist)

Balsamic-lime dressing is a game-changer

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kate middleton watermelon salad recipe: kate middleton in a white shirt and dark green blazer, waving to a crowd
Bav Media/Shutterstock/Candace Davison

My new go-to summer side came from the least likely of places. Over the years at PureWow, I’ve learned more than I ever anticipated about Kate Middleton, from her interest in photography to her favorite sports. But then I heard people rave about her watermelon salad, and as a food editor—particularly one craving easy, no-cook recipes to make this summer—I had to try it.

Spoiler: I’m so glad I did, even if researching the recipe (and its backstory) left me scratching my head.

You see, there isn’t an exact recipe for the Duchess of Cambridge’s watermelon salad, and she hasn’t officially confirmed whether it’s something she eats all the time. So, while many people seek out her specific recipe, it has yet to be shared. It’s more of a concept really, based on an Express story from 2022, in which nutrition experts at Barbend stated that, based on research they’d conducted, “watermelon salads are a staple of Kate’s lunches, and include juicy pink watermelon mixed with avocado, onion, cucumber and feta cheese,” deeming it “the perfect mix of sweet and savory."

watermelon salad
original photo: Candace Davison

Since that story was published, the idea of the salad has taken on a life of its own (much like the viral Jennifer Aniston salad, which Aniston later shared wasn’t actually something she ate every day while filming Friends). Every summer, the “Kate Middleton watermelon salad” makes the rounds across social media, and for good reason: Whether it’s hers or not, it is a great mix of sweet and savory. It’s a refreshing, low-lift meal that can wow a crowd, making it a great side for any cookout or party. Or just a random Tuesday, when you want to bust out of a lunch or dinner rut.

In a way, this is liberating—take the idea and do with it what you want. Make it your watermelon salad, using this suggestion as a jumping-off point. And if you’re not sure where to start, I’ll share the viral take on the salad, as well as my balsamic-lime version. (And if you have an alternate recipe, I’d love to hear that too. Please share it in the comments below!)

watermelon salad
original photo: Candace Davison

How to Make *Your* Version of the “Kate Middleton Watermelon Salad”

The most popular riff on the watermelon salad is Chef Alex Hyslop’s, who paired it with mint leaves and a simple, five-ingredient vinaigrette made with apple cider vinegar, olive oil, lime juice, salt and pepper. It adds brightness and a little zing to the dish, melding the flavors together. (This take was so massively popular that we tried it back in 2023 for our series Celeb Bites, which you can watch in the video below.)

adding dressing to watermelon salad
original photo: Candace Davison

Mint isn’t my thing, and after noting a former colleague’s review that the apple cider vinegar was a bit harsh for her liking, I kept the key Middleton ingredients—watermelon, avocado, onion, cucumber and feta—and added a little chopped cilantro for an herbaceous note, plus a balsamic-based vinaigrette to offer sweetness and tanginess.

Basically, the core ingredients are fine on their own, but adding a light vinaigrette punches up the flavor and creates more of a throughline in the dish, rather than just an assembly of ingredients. (It’s also a great way to liven up any lackluster produce, should your watermelon turn out not as sweet and ripe as you’d like, or your avocado more tofu-like than creamy.)

watermelon salad bite on fork
original photo: Candace Davison

My Take on the Kate Middleton Watermelon Salad

If I were serving this to the Duchess of Cambridge (dear Catherine, you are welcome to DM me anytime!), here’s how I’d prepare it. For presentation’s sake, I recommend tossing the watermelon, cucumber, onion and cilantro together, then topping it with feta and avocado, stirring those in just before serving with the vinaigrette. The vinaigrette is flavorful enough that it doesn’t need to marinate the ingredients beforehand, like you do with pasta and potato salads. You can drizzle, toss and serve right away, making this even easier to throw together before people come over for a summertime dinner party.

It’s tangy, sweet and just a little briny, making it a lovely accompaniment to grilled chicken, burgers, hot dogs and barbecue.

Ingredients

Watermelon Salad

5 to 6 cups cubed seedless watermelon (about 1 mini watermelon)

1 English cucumber, diced

½ white onion, diced

1 tablespoon chopped cilantro

1/2 cup crumbled feta cheese

1 avocado, diced

Balsamic-Lime Vinaigrette

¼ cup balsamic vinegar

1 tablespoon honey

Juice of 1 lime (about 2 ounces)

1 clove garlic, minced

½ cup extra virgin olive oil

Salt, to taste

Pepper, to taste

Directions

Prepare the Salad: In a large mixing bowl or salad bowl, combine watermelon, cucumber, onion and cilantro, stirring until combined. Top with feta and avocado.

Make the Balsamic-Lime Vinaigrette: Combine all ingredients into a small bowl and whisk, or into a cocktail shaker, shaking until fully combined.

Just before serving, drizzle half of the vinaigrette onto the salad, tossing lightly to combine ingredients. Serve remaining vinaigrette on the side, should anyone want more. (Or save for future use.)

Nutrition Facts

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    Note: The information shown is Edamam's estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist's advice.

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    candace davison bio

    Candace Davison

    VP of editorial content

    • Oversees home, food and commerce articles
    • Author of two cookbooks and has contributed recipes to three others
    • Named one of 2023's Outstanding Young Alumni at the University of South Florida, where she studied mass communications and business