
Watermelon Basil Cooler is my summer secret for staying refreshed and hydrated when the days get extra hot. This vibrant drink blends juicy watermelon with fresh basil and mint for a thirst-quenching treat that feels a little fancy but could not be easier.
I remember whipping up a batch for a picnic and being amazed how quickly the pitcher disappeared. Now it is my go to when friends drop by on a hot day.
Ingredients
- Watermelon: Seedless is best for easy prep. Picks should feel heavy for their size and have a deep yellow spot on the rind.
- Fresh basil leaves: Choose leaves that are bright green with no black spots. The basil gives the drink its signature herby twist.
- Fresh mint leaves: Mint brightens everything. Try to use leaves that are perky and aromatic, not wilted.
- Lime juice: Fresh lime makes the flavors pop and balances the sweetness. Pick limes that give a little when squeezed for the juiciest ones.
Step-by-Step Instructions
- Chop the Watermelon:
- Cut the watermelon into manageable pieces. Remove any seeds as you go for a smoother drink.
- Blend the Ingredients:
- Add the watermelon chunks along with the basil and mint leaves to your blender. Blend until completely smooth so all the herbs get evenly distributed.
- Taste and Adjust:
- Give it a taste and decide if you want an extra pop of basil or mint. Add more if you like it extra herbaceous and blend again.
- Serve Cold:
- Pour over plenty of ice for maximum chill. Make sure to serve right away to enjoy its full flavor.
- Store if Needed:
- If you will not drink it all at once, pour into an airtight glass container and store in the fridge for up to two days, though it is best fresh.

Watermelon always brings me back to picnics as a kid when sticky hands and juice dribbles were part of the fun. Basil is my personal favorite touch because it surprises everyone who tries it and makes this more than just another juice.
Storage Tips
This cooler really is best served right away since watermelon oxidizes quickly. If you do need to store leftovers, keep them in a sealed glass pitcher or jar for up to two days in the fridge. Shake well before serving as it can separate a bit over time.
Ingredient Substitutions
No basil or mint on hand? Try using fresh cilantro or even lemon balm for a different herbal twist. If limes are out of season, swap in a squeeze of lemon juice.
Serving Suggestions
Serve in tall glasses over ice with an extra basil or mint sprig on top for that fancy touch. This drink pairs perfectly with summer salads, fresh fruit platters, or anything off the grill. For a backyard brunch, add a splash of sparkling water for a festive bubbly effect.

Cultural and Historical Context
Herb-infused drinks are an old tradition in Mediterranean and Middle Eastern kitchens, where people cherish cooling sips in hot weather. Watermelon and mint have been paired in Mediterranean salads and drinks for generations. Adding basil gives this a modern twist that feels both familiar and new.
Common Questions
- → What is the best way to pick a watermelon for this drink?
Choose a ripe watermelon that feels heavy for its size and has a creamy yellow spot, indicating it's sweet and juicy.
- → Can I substitute basil or mint?
Yes, try fresh cilantro or just use extra mint if basil isn’t available. Adjust to your taste preference.
- → Should I strain the blended mixture?
For a smoother beverage, strain the mixture through a fine sieve. If you like more pulp, you can skip straining.
- → Can this drink be made ahead?
It’s best fresh but can be prepared ahead and chilled in an airtight container for up to 2 days.
- → How can I serve this for a party?
Serve over ice in glass pitchers and garnish each glass with extra mint or basil for an elegant touch.