If summer had a flavor, it’d be this: sweet watermelon meets tangy lemonade. This Watermelon Lemonade Sorbet is easy to whip up and perfect for any hot day. Made with the Ninja Creami, it’s creamy, refreshing, and bound to be a favorite for kids and adults alike. Whether you’re hosting a cookout or just need a tasty pick-me-up, this recipe has you covered.

What to Know Before You Start
Quick Recipe Breakdown
- Prep time: 10 minutes
- Freeze time: 24 hours
- Process time: 5 minutes
- Total time: Just over 24 hours (but trust me, it’s worth it).
Serves
This makes about one pint, which works for 2–4 people. Want more? Just double or triple the ingredients and prep extra containers.
Skill Level
Super easy. Even if you’re new to kitchen gadgets, you can handle this.
Gear You’ll Need
- Ninja Creami
- A blender (immersion or regular)
- Freezer-safe pint container (the one that comes with the Ninja Creami is ideal).

What You’ll Need
Ingredients:
- 1 ¾–2 cups watermelon puree (from fresh, seedless chunks)
- 2 tablespoons lemonade drink mix (like pink or yellow lemonade powder)
- 2–3 tablespoons sugar (adjust to your taste).
Tweaks You Can Try:
- No lemonade powder? Swap for 2 tablespoons of fresh lemon juice. Add a bit more sugar to balance it out.
- Want something more natural? Use maple syrup or agave as a sweetener instead of regular sugar.
Pro Tip: Choose a ripe, seedless watermelon. It makes all the difference in flavor.
Step-by-Step Instructions

Step 1: Make the Watermelon Puree
Slice up your watermelon, toss the chunks into a blender, and blend until it’s smooth. You’ll need about 1 ¾–2 cups of this luscious puree.
How do you know it’s ready? No chunks, just smooth, vibrant red liquid.
Step 2: Add Lemonade and Sweetener
Mix in the lemonade powder and give it a quick blend. Taste it! Is it sweet enough? If not, add 2–3 tablespoons of sugar. Keep in mind: frozen desserts taste less sweet, so it’s okay to go a little sweeter than you’d normally like.
Tip: If your watermelon is super sweet, start with less sugar. You can always add more.
Step 3: Freeze It
Pour your mixture into the Ninja Creami’s pint container. Don’t overfill—it needs room to freeze properly. Pop on the lid and stick it in the freezer. Let it freeze solid for at least 24 hours.
Common mistake: Overfilling leads to uneven freezing. Keep it below the max fill line.
Step 4: Process It in the Ninja Creami
Once frozen, attach the pint to your Ninja Creami, select the “Sorbet” setting, and let the machine work its magic. If the texture looks crumbly after the first spin, just hit “Re-spin” until it’s smooth and creamy.
Step 5: Serve It Up
Scoop into bowls and dig in! For a little flair, garnish with a mint sprig or a small watermelon wedge.
Fun twist: Add a splash of sparkling water over a scoop for a fizzy, frozen drink.

Make It Your Own
- Need a vegan option? Swap out the sugar for agave syrup.
- Like a spicy kick? Add a pinch of chili powder for that sweet-heat vibe.
- Want something fancy? Serve it in a martini glass with edible flowers.

Storage and Tips
- Store leftovers in the freezer for up to two weeks.
- If it’s rock-solid after storage, let it sit out for 5–10 minutes, then reprocess it in the Ninja Creami to restore the creamy texture.
This sorbet is more than dessert—it’s pure summer in a bowl. Cool, sweet, and zesty, it’s perfect for relaxing afternoons or lively backyard parties. Try it once, and you’ll be coming back for more!
PrintNinja Creami Watermelon Lemonade Sorbet
This refreshing Ninja Creami Watermelon Lemonade Sorbet combines the natural sweetness of watermelon with the tangy zest of lemonade, creating the ultimate summer treat. Perfectly smooth and easy to make, it’s a crowd-pleaser for hot days!
- Prep Time: 10 minutes
- Cook Time: None
- Total Time: 24 hours 10 minutes (Freezing Time: 24 hours)
- Yield: 2–4 1x
- Category: Dessert
- Cuisine: American
Ingredients
- 1 ¾–2 cups watermelon puree (from fresh, seedless watermelon)
- 2 tablespoons lemonade drink mix (pink or yellow)
- 2–3 tablespoons granulated sugar (adjust to taste)
Instructions
- Prepare Watermelon Puree: Blend fresh, seedless watermelon chunks until smooth. Measure out 1 ¾–2 cups of puree.
- Add Lemonade Mix: Stir in 2 tablespoons of lemonade drink mix and pulse the blender to combine.
- Sweeten to Taste: Add 2–3 tablespoons of sugar, blending until dissolved. Taste and adjust sweetness as needed, keeping in mind freezing dulls sweetness slightly.
- Freeze Mixture: Pour the mixture into a Ninja Creami pint container, ensuring it doesn’t exceed the max fill line. Seal the lid and freeze on a flat surface for at least 24 hours.
- Process in Ninja Creami: Remove the frozen pint, place it in the Ninja Creami machine, and use the “Sorbet” setting to process. If crumbly, scrape down the sides and use the “Re-spin” function for a smoother texture.
- Serve & Enjoy: Scoop into bowls or glasses and garnish with mint leaves or small watermelon wedges if desired.
Notes
Serving Suggestions:
- Serve as a standalone dessert or pair with sparkling lemonade for a refreshing float.
- Garnish with fresh mint or lemon slices for added flair.
Tips & Tricks:
- Use ripe watermelon for maximum sweetness.
- Adjust sugar based on the natural sweetness of your fruit and lemonade mix.
- For a smoother texture, re-spin if necessary.
Storage & Reheating:
- Store leftover sorbet in its original pint container with a tight lid for up to two weeks.
- If frozen solid, let it sit at room temperature for 5–10 minutes before re-spinning in the Ninja Creami.