Classic Watermelon Granita

I didn’t try granita until I was in my thirties, which feels ridiculous now because it’s basically just flavored ice that you scrape with a fork. Somehow I’d convinced myself it was this fancy Italian dessert that required special skills or equipment.

Turns out, all you need is a baking dish and a freezer. You blend up some fruit, freeze it, and scrape it every hour or so until it’s fluffy and icy. That’s it. This watermelon version is perfect for those summer days when it’s too hot to turn on the oven, and you’ve got half a watermelon sitting in your fridge that nobody’s finishing.

SAVE NOW

What Kind of Watermelon Should I Use?

Any seedless watermelon will work great for this granita, whether you grab a mini watermelon or cut a chunk from a larger one. The most important thing is making sure your watermelon is ripe and sweet – give it a tap and listen for a hollow sound, and look for a creamy yellow spot on the bottom where it sat on the ground. If your watermelon isn’t super sweet, don’t worry, you can always adjust the sugar a bit to compensate. And while seedless is definitely easier to work with, you can use regular watermelon too, just be prepared to spend a few extra minutes picking out those seeds before blending.

SAVE NOW

Options for Substitutions

This simple granita recipe is pretty straightforward, but here are a few swaps you can make:

• Watermelon: This is the star of the show, so you’ll want to stick with watermelon for a true watermelon granita. That said, you can use any variety – seedless, seeded, or even yellow watermelon. Just make sure it’s ripe and sweet.
• Lime: If you don’t have lime, lemon works great too and gives a similar bright, citrusy kick. You can also try using half the amount of lemon since it’s a bit more tart.
• Granulated sugar: You can swap this with cane sugar or even honey, though with honey you’ll want to start with about 1/4 cup and taste as you go since it’s sweeter. Keep in mind that honey will also add its own flavor.
• Kosher salt: Regular table salt works fine here – just use a pinch less since table salt is finer and more concentrated than kosher salt.

Watch Out for These Mistakes While Making

The biggest mistake people make with granita is forgetting to scrape it with a fork every 30 minutes, which turns your light, fluffy dessert into a solid block of ice that’s impossible to serve.

If you skip straining the blended mixture, you’ll end up with fibrous bits that ruin the smooth texture, so don’t be tempted to save time by skipping this step.

Another common error is using a deep container instead of a shallow dish – the wider and shallower your pan, the faster and more evenly your granita will freeze, making it easier to scrape into those perfect icy crystals.

Finally, be careful not to over-freeze the granita; once it reaches that slushy, snow-like consistency, serve it right away or give it a quick scrape before serving, as leaving it in the freezer too long will make it rock-hard.

SAVE NOW

What to Serve With Watermelon Granita?

Watermelon granita is super refreshing on its own, but it’s also great as a palate cleanser between courses at a summer dinner party. I love serving it alongside grilled chicken or fish since the icy, sweet-tart flavor cuts through richer main dishes perfectly. You can also pair it with fresh berries and a dollop of whipped cream for a simple dessert, or serve it in small cups as a cool treat during a backyard barbecue. For a fun brunch idea, try topping it with a splash of prosecco or sparkling water and some fresh mint leaves.

Storage Instructions

Freeze: Keep your watermelon granita in an airtight, freezer-safe container for up to 2 weeks. Just remember to scrape it with a fork before serving each time to get those icy, fluffy crystals back. If it freezes into a solid block, let it sit at room temperature for a few minutes, then scrape again.

Serve: Granita is best enjoyed straight from the freezer when it’s nice and icy. Scoop it into chilled glasses or bowls for the best texture. If it’s too hard to scoop, let it sit out for about 5 minutes to soften slightly, then give it another good scrape with your fork.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 390-430
• Protein: 4-6 g
• Fat: 0-1 g
• Carbohydrates: 100-110 g

Ingredients

• 1.5 lb watermelon (cubed into 1-inch pieces and seeds removed)
• 1 large lime (zested and freshly squeezed for 3 tbsp juice)
• 1/2 cup sugar (Domino extra fine granulated sugar)
• 1/4 tsp kosher salt
• 2 tbsp cold water
• 1 tbsp finely chopped fresh mint leaves

Step 1: Prepare Ingredients and Blend the Watermelon Base

• 1.5 lb watermelon, cubed
• 1 large lime, zested
• 3 tbsp fresh lime juice
• 1/2 cup sugar
• 1/4 tsp kosher salt

Cut the watermelon into 1-inch cubes, removing all seeds as you go, until you have about 4 cups of prepared fruit.

Zest the lime directly into a blender, then add the watermelon cubes, 2 tablespoons of fresh lime juice, sugar, and kosher salt.

Blend for 25 to 45 seconds until completely smooth—you want a uniform puree without any chunky bits, as this ensures even freezing and a silky texture in the final granita.

Step 2: Strain and Begin Freezing

• watermelon puree from Step 1

Pour the blended watermelon mixture through a fine-mesh strainer into a shallow baking dish (a 9×13 inch dish or similar works well), pressing gently on the solids to extract all the flavorful liquid; discard the pulpy residue.

This straining step is crucial—it removes any remaining fiber that would create a grainy texture rather than the desired icy crystals.

Transfer the dish to the freezer immediately.

Step 3: Freeze and Scrape Until Granita Forms

• frozen watermelon mixture from Step 2

Freeze for 1.5 to 2.5 hours total, scraping the mixture with a fork every 30 minutes.

This repeated scraping is what transforms the mixture from a frozen block into light, icy granita crystals—without it, you’ll end up with a solid popsicle-like texture.

I like to scrape with firm, deliberate strokes from the edges toward the center, creating uniform ice crystals that give granita its signature texture.

The granita is ready when it resembles wet, flavored snow with no large frozen chunks.

Step 4: Finish and Serve

• prepared granita from Step 3
• 1 tbsp fresh mint leaves, finely chopped

Once the granita reaches the desired slushy consistency, transfer it to serving bowls or glasses immediately—the icy texture will begin to consolidate if left sitting.

Garnish each portion with a sprinkle of finely chopped fresh mint and a small pinch of lime zest if desired.

I find the cold, bright flavors of the mint and any remaining lime brightness really elevate the simple watermelon, so don’t skip the garnish.

Classic Watermelon Granita

Delicious Classic Watermelon Granita recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 45 minutes mins

Cook Time 1 hour hr 25 minutes mins

Total Time 2 hours hrs 12 minutes mins

Servings 3 cups of granita

Calories 410 kcal

Ingredients

  

• 1.5 lb watermelon (cubed into 1-inch pieces and seeds removed)
• 1 large lime (zested and freshly squeezed for 3 tbsp juice)
• 1/2 cup sugar (Domino extra fine granulated sugar)
• 1/4 tsp kosher salt
• 2 tbsp cold water
• 1 tbsp finely chopped fresh mint leaves

Instructions

 

• Cut the watermelon into 1-inch cubes, removing all seeds as you go, until you have about 4 cups of prepared fruit. Zest the lime directly into a blender, then add the watermelon cubes, 2 tablespoons of fresh lime juice, sugar, and kosher salt. Blend for 25 to 45 seconds until completely smooth—you want a uniform puree without any chunky bits, as this ensures even freezing and a silky texture in the final granita.
• Pour the blended watermelon mixture through a fine-mesh strainer into a shallow baking dish (a 9x13 inch dish or similar works well), pressing gently on the solids to extract all the flavorful liquid; discard the pulpy residue. This straining step is crucial—it removes any remaining fiber that would create a grainy texture rather than the desired icy crystals. Transfer the dish to the freezer immediately.
• Freeze for 1.5 to 2.5 hours total, scraping the mixture with a fork every 30 minutes. This repeated scraping is what transforms the mixture from a frozen block into light, icy granita crystals—without it, you'll end up with a solid popsicle-like texture. I like to scrape with firm, deliberate strokes from the edges toward the center, creating uniform ice crystals that give granita its signature texture. The granita is ready when it resembles wet, flavored snow with no large frozen chunks.
• Once the granita reaches the desired slushy consistency, transfer it to serving bowls or glasses immediately—the icy texture will begin to consolidate if left sitting. Garnish each portion with a sprinkle of finely chopped fresh mint and a small pinch of lime zest if desired. I find the cold, bright flavors of the mint and any remaining lime brightness really elevate the simple watermelon, so don't skip the garnish.