Grilled Watermelon

Smoky, grilled watermelon with hints of honey, lime, and cilantro? Oh yes, this is a side dish that’ll be on repeat for barbecues all summer long.

Grilled watermelon pieces on a white plate

Before making this recipe, I honestly thought it wouldn’t taste as good as juicy, fresh cut watermelon. But then I remembered just how good grilled fruit is, like my grilled peach and burrata salad (which needs to be on your summer menu ASAP).

When you bite into a slice of grilled watermelon you’ll get some smoky undertones, with notes of honey, lime and fresh cilantro. It’s sweetness amplified. And literally everything you want in a summer barbecue side dish. So for those who normally make a watermelon feta salad, try serving up this grilled watermelon instead. The results are equally delicious.

Ingredients for grilled watermelon on a table

Grilled Watermelon Ingredients

The key to extra tasty grilled watermelon is the seasoning. A good formula to remember is using a combination of sugar and citrus. Sugar caramelizes to create beautiful grill marks, while citrus flavors help to brighten everything up.

  • Watermelon: To give some context, a 3-pound watermelon will serve about 6 people. So if you’ve got a bigger crowd, grab a bigger watermelon or grill up two small ones.
  • Limes: Both lime juice and zest are used for maximum lime goodness!
  • Honey: This enhances the watermelon’s natural sweetness. And who doesn’t love a honey and lime combo?
  • Cilantro: Slice up fresh cilantro leaves into small bits for pops of freshness with every bite.

Find the printable recipe with measurements below.

Sliced watermelon pieces on a board for grilling

How To Cut A Watermelon For Grilling

When it comes to grilled watermelon, it’s best to slice it into thick triangle pieces for serving. And while there’s a few ways to do it, I’ve found that the below method is the easiest and most efficient.

Pro tip: use a chef’s knife or carving knife to glide through your watermelon with the least amount of effort.

  • Trim the ends off the watermelon and sit it upright.
  • Slice the watermelon into two halves, then slice again into quarters.
  • Slice the quarters into 1-inch thick triangle pieces (with the rinds on).

How To Grill Watermelon

Ideally, a charcoal or gas outdoor grill is best for solid grill marks and smokiness. But, an indoor grill pan will work just as well (which is what I’m using for this recipe!).

Lime honey mixture in a bowl for grilled watermelon

Make the honey lime mixture. In a small bowl, whisk together lime juice, lime zest, and honey.

Watermelon slices on a plate with a brush for grilled watermelon

Cut the watermelon. Heat an outdoor or indoor grill to high. Then use the above method to slice the watermelon into 1-inch thick triangle slices. Brush the lime juice mixture on both sides of each watermelon piece.

Grilling watermelon on a grill pan

Grill the watermelon. Cook each piece until grill marks form and the watermelon is slightly soft, 2 to 3 minutes per side.

Serve. Sprinkle with finely chopped cilantro fresh before serving.

Tips for Perfectly Grilled Watermelon

  • Make sure your grill is set to a high heat. This will almost instantly give those photo-worthy grill marks, but not overcook the watermelon to mush. 
  • Oil the grill to prevent the watermelon from sticking to it.
  • Place the finished grilled watermelon slices on a wire rack lined baking sheet. This will catch all the extra juices so you’re serving plate isn’t soaked in liquid.
A plate filled with grilled watermelon

Watermelon Seasoning Ideas

  • Spicy: Add two teaspoons of chili powder, cayenne, or tajín to this recipe. It’ll become a deliciously spiced, cilantro lime combo!
  • Sweet: Instead of honey, use a granulated sugar (like coconut sugar). It’ll create a more caramelized finish to the watermelon’s surface.

Ways To Serve Grilled Watermelon

  • As a side dish or appetizer. Serve these piled high on a platter, with sprinkles of chopped cilantro and lime wedges.
  • In a salad. Slice them into cubes to create a grilled watermelon salad! Serve it up with cotija cheese, chopped cilantro, and fresh squeezed lime juice.
Holding a piece of grilled watermelon

How Long Does Grilled Watermelon Last?

Grilled watermelon is best enjoyed straight from the grill. But in the likelihood you have leftovers, store them in an airtight container in the fridge for 4 to 5 days.

More Summer Grilling Recipes

This is for all the grilling lovers out there. And if you’re new to grilling, these recipes will make you a grill master in no time. Get ready for 4th of July or Memorial weekend!

Grilled watermelon will give a fresh new look (and taste) to your favorite summer fruit! Once you give it a try, I’d love to hear what you, your friends, and family think in a comment below!

A plate of grilled watermelon slices next to limes.

Grilled Watermelon

5 from 1 vote
Prep Time: 15 mins
Cook Time: 6 mins
Total Time: 21 mins
Servings: 6 servings
Author: Lisa Bryan
Grilled watermelon with hints of honey, lime, and cilantro? Yep, this is a barbecue side dish that'll be on repeat all summer long!

Ingredients

  • 1 medium seedless watermelon (3 pounds)
  • 2 limes, juiced and zested (about 2 tablespoons of juice and 2 teaspoons of zest)
  • ¼ cup honey
  • ¼ cup loosely packed fresh cilantro leaves, finely chopped

Instructions 

  • Make the lime mixture. In a small bowl, whisk together the lime juice, zest, and honey.
    Honey lime mixture in glass bowl for grilled watermelon
  • Cut the watermelon. Heat an outdoor or indoor grill to high. Trim the ends off the watermelon, sit it upright, and cut into two halves. Then cut the halves into quarters and slice into 1-inch triangles with the rind still attached.
    Cut watermelon pieces on a wooden board for grilled watermelon
  • Grill the watermelon. Brush the lime mixture on both sides of each watermelon wedge and place on grill. Cook until grill marks form and the watermelon is slightly soft, 2 to 3 minutes per side.
    Grilling watermelon on an indoor grill pan
  • Serve. Sprinkle with cilantro and fresh squeezed lime juice before serving.
    Grilled watermelon slices with limes on a plate

Lisa’s Tips

  • This recipe makes about 20 watermelon pieces 

Nutrition

Calories: 118kcal, Carbohydrates: 31g, Protein: 2g, Fat: 1g, Saturated Fat: 1g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 1g, Sodium: 4mg, Potassium: 288mg, Fiber: 2g, Sugar: 26g, Vitamin A: 1347IU, Vitamin C: 25mg, Calcium: 25mg, Iron: 1mg
Course: Appetizer, Side Dish
Cuisine: American
Keyword: Grilled Watermelon, Watermelon Recipe
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5 comments on “Grilled Watermelon”

  1. Made this….super delicious!! It will definitely be a constant this summer!! I served it for a few close friends and they all loved it too! I sent them to your website to find all of your other delicious recipes – I have yet to find one that was not amazing! I make your cashew milk and chia seed pudding all of the time…..and I have yet to ever find a cashew based Alfredo sauce that even comes close to yours!! Thank you for providing your recipes and ideas about health and the value in prepping meals and being organized in the kitchen!5 stars

  2. Oh, this sounds amazing; I will have to try it out — thanks for idea!

  3. I am making this today!!!

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