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Cocktails Drinks & Shakes Recipes

Watermelon Jalapeño Cooler

5 minutes
2 cocktail

Get ready to savor summer with our Watermelon Jalapeno Cooler! This playful twist on a classic rum cooler is sweet, spicy, and perfect for sunny days.

Watermelon Jalapeño Cooler
Get ready to savor summer with our Watermelon Jalapeno Cooler! This playful twist on a classic rum cooler is sweet, spicy, and perfect for sunny days.

Picture this: It’s a scorching summer day, and you’re craving a drink that’s not just refreshing but also packs a punch of flavor.

Well, look no further, because we’ve got a treat for your taste buds! Our Watermelon Jalapeno Cooler is the perfect blend of sweet, spicy, and zesty, making it an instant favorite for those sunny days when you want something more exciting than a plain old cocktail.

Watermelon Jalapeño Cooler

Why You’ll Love this Recipe

We’ve taken the classic rum cooler and given it a playful twist that’s both friendly and fiery.

Imagine sipping on a glass of this vibrant concoction, with the sun kissing your skin and a gentle jalapeno heat tingling your taste buds.

It’s like a summer fiesta in your mouth!


  • Watermelon Cubes (1 cup): The star of the show! Watermelon brings a delightful sweetness and a hint of juiciness to the mix.
  • White Rum (4 oz): A generous pour of rum brings that beloved tropical spirit into the equation, adding depth and character.
  • Lime Juice (2 oz): Fresh lime juice lends a zesty, tangy kick that balances out the sweetness of the watermelon.
  • Jalapeño Simple Syrup (1 oz): This homemade syrup is the game-changer. It’s the fiery heart of our drink, crafted from granulated sugar, water, and jalapeno slices.

Substitutions & Additions

Feel free to play around with the recipe to suit your taste buds. If you’re feeling extra adventurous, try these variations:

  • Spicier Kick: For a more intense jalapeno flavor, let the syrup steep for a bit longer or add an extra slice.
  • Tequila Twist: Swap out the rum for tequila if you’re in the mood for a different spirit.
  • Virgin Version: Skip the alcohol entirely for a kid-friendly version or a designated driver.

Equipment Needed for Watermelon Jalapeño Cooler

How to Make this Recipe

Making this Watermelon Jalapeno Cooler is a breeze, just like chatting with an old friend in the kitchen.

Start by blending watermelon cubes, lime juice, rum, and your homemade jalapeno simple syrup for about 30 seconds.

The result? A luscious, pink elixir that screams summertime fun.

Cooking Tips & Tricks

  • Chill Your Glasses: Before you begin, dip the rim of your glasses in sugar or salt for an added twist and that restaurant-style presentation.
  • Balance the Heat: Adjust the level of jalapeno spice by controlling the steeping time of the syrup. Taste as you go to find your perfect balance.
  • Garnish Galore: Don’t forget to deck out your glasses with fresh watermelon and jalapeno slices for that extra wow factor.
Watermelon Jalapeño Cooler

Serving Suggestions

This Watermelon Jalapeno Cooler is a fantastic standalone drink, but it also pairs beautifully with a variety of dishes.

Serve it up with a fresh fruit salad, grilled shrimp, or spicy Mexican street corn for a full summer feast that’s sure to impress your guests.

Storage Suggestions

If you happen to have leftovers (although we doubt you will), store them in an airtight container in the fridge. Just be aware that the flavors might intensify as it sits, so be ready for an even spicier surprise the next day.

Watermelon Jalapeño Cooler

Recipe FAQ

Can I make the syrup in advance? Absolutely! Prepare the jalapeno simple syrup ahead of time and keep it in the fridge until you’re ready to use it.

How can I make it less spicy? To tone down the heat, remove the seeds and ribs from the jalapeno slices before making the syrup.

Can I use frozen watermelon? Of course! Frozen watermelon works well and adds an extra chill to your cooler.

In the world of summertime drinks, our Watermelon Jalapeno Cooler is the life of the party. With its playful blend of watermelon, rum, and jalapeno heat, it’s the ultimate companion for those sun-soaked gatherings with friends and family.

So, why wait? Mix up a batch, kick back, and let this spicy twist on a classic rum favorite whisk you away to a tropical paradise.

Watermelon Jalapeño Cooler

Watermelon Jalapeño Cooler

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Get ready to savor summer with our Watermelon Jalapeno Cooler! This playful twist on a classic rum cooler is sweet, spicy, and perfect for sunny days.
Yield 2 cocktail
Prep Time 5 minutes
Total Time 5 minutes


  • 1 cup watermelon cubed
  • 4 oz white rum
  • 2 oz lime juice
  • 1 oz jalapeño simple syrup
Jalapeño Simple Syrup
  • ½ cup granulated sugar
  • ½ cup water
  • ½ medium jalapeño sliced


Jalapeño Simple Syrup
  • In a small saucepan, over medium-heat, add the sugar, water, and sliced jalapeño; stir to combine.
  • Bring to simmer, stirring occasionally, and cook until sugar just melts.
  • Once the sugar is melted, turn off the heat and let jalapeño slices steep in the liquid for 10 minutes.
  • Strain into an air-tight container and place in refrigerator to cool.
  • In a blender add the watermelon cubes, lime juice, rum, and jalapeño simple syrup. Blend for 30 seconds.
  • Dip the rim of 2 rocks glasses into a small amount of water and then into either sugar or salt, your choice.
  • Fill the glasses with fresh ice then strain your cocktail mixture over top. Garnish with fresh watermelon and jalapeño slices, if desired.
Tried this recipe?Snap a photo and mention @JenniferMeyering
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