This refreshing Watermelon Mint Lemonade is a quick and easy drink that will keep you cool and hydrated on warm days. It’s bursting with fresh watermelon sweetness and zesty lemon, complemented by the aroma of mint, making it a perfect crowd-pleaser for any occasion. You’ll love serving this at a backyard barbecue, a picnic, or simply for a refreshing treat! 
This recipe is customizable to suit your taste preferences. If you’re ready to make the ultimate summer refresher, scroll down and try it today! As an Amazon Associate, I earn from qualifying purchases.
Prep time: 15 minutes Cook time: 12 minutes (optional)
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Why You’ll Love This Refreshing Watermelon Mint Lemonade
This lemonade recipe has the perfect balance between sweet and tart, with the watermelon naturally adding sweetness and freshness. We added an optional mint-infused simple syrup that adds a subtle herbal note, but you can easily adjust the sweetness level to your liking. Plus, it’s versatile—serve it chilled with ice cubes made from lemonade to avoid dilution or add a splash of citrus vodka for a fun, adult twist!
Ingredients for Watermelon Mint Lemonade
For the Mint Simple Syrup (optional)
- ½ cup granulated sugar
- ½ cup water
- ¼ cup tightly packed fresh mint leaves, stems removed and crushed
For the Lemonade
- 6 cups fresh watermelon, rinds removed and cut into chunks
- ¾ cup fresh lemon juice (6-8 medium lemons)
- ½ cup cold water (plus more if needed)
- ½ cup fresh mint leaves, tightly packed with stems removed
Garnish
- Fresh mint sprigs
- Lemon slices
How To Make Our Refreshing Watermelon Mint Lemonade
#1. In a small saucepan, combine ½ cup granulated sugar, ½ cup water, and ¼ cup crushed fresh mint leaves. Heat over medium-high heat, stirring until the sugar fully dissolves. Reduce heat to low and let simmer for 10 minutes. Remove from heat, discard the mint leaves, and allow the syrup to cool completely before using. #2. Place 6 cups of watermelon chunks, ¾ cup fresh lemon juice, and ½ cup cold water into a blender. Blend until the mixture is completely smooth. #3. Pour the blended watermelon and lemon mixture through a fine mesh strainer into a large bowl or pitcher to remove pulp and seeds. Use a spoon to press the mixture gently and extract as much juice as possible. #4. Taste the strained juice and add more cold water if you prefer a lighter flavor. If you want it sweeter, stir in the cooled mint simple syrup a little at a time until you reach your desired sweetness. #5. Bruise ½ cup fresh mint leaves by gently crushing them with your fingers to release their oils. Place the mint at the bottom of a large pitcher or jar. Add ice cubes (consider using lemonade ice cubes to avoid dilution), pour the watermelon lemonade over the mint, and garnish with fresh lemon slices and mint sprigs. Serve chilled and enjoy!
Pro Tips for the Best Watermelon Mint Lemonade
- Adjust the amount of water based on the juiciness of your watermelon and your preferred flavor intensity.
- Freeze some lemonade into ice cubes or an ice ring to keep your drink cool without watering it down.
- For an adult-friendly version, add a splash of citrus-flavored vodka just before serving.
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My favorite time-saving kitchen gadgets are also on my Amazon Storefront. As an Amazon Associate, I earn from qualifying purchases. More Summer Drinks to Try
- Hot Apple Punch
- Aperol Spritz Cocktail
- Summer Berry Sangria
- Sweet Blackberry Iced Tea
- Blueberry Maple Lemonade
- Easy Melon and Apple Sangria
- 4 Easy and Refreshing Infused Water Recipes
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