Cool off with a refreshing watermelon rum smash cocktail this summer. This drink mixes sweet watermelon, mint leaves, and white rum into a light and fruity drink perfect for backyard parties or pool days.
This simple cocktail takes just 5 minutes to make with fresh watermelon chunks, white rum, lime juice, mint leaves, and a splash of club soda. The natural sweetness of ripe watermelon means no extra sugar is needed.
The bright red color and fresh mint garnish make this drink look beautiful in a tall glass filled with ice. It’s a great way to use extra watermelon and creates a fun twist on the classic rum cocktail.
Watermelon Rum Smash Cocktail Recipe
Equipment
- Cocktail shaker
- Muddler
- Fine-mesh strainer
- Jigger or measuring cup
- Collins glass
- Ice
- Cutting Board
- Sharp knife
Ingredients
- 2 cups fresh watermelon chunks
- 2 oz white rum
- 1 oz fresh lime juice
- 6-8 fresh mint leaves
- 1/2 oz simple syrup
- Ice cubes
- Watermelon wedge and mint sprig for garnish
Instructions
- Cut the watermelon into 1-inch chunks.
- Add watermelon chunks and mint leaves to the shaker. Muddle until the watermelon releases its juice.
- Pour in the white rum, lime juice, and simple syrup.
- Fill the shaker with ice and shake for 15-20 seconds.
- Strain the mixture into a Collins glass filled with fresh ice.
- Garnish with a watermelon wedge and mint sprig.
Notes
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Tasting Notes
The Watermelon Rum Smash delivers a bright, fruity taste with a perfect balance of sweet and tart flavors.
Fresh watermelon creates a juicy base that blends smoothly with the rum’s warmth.
Mint adds a cool, refreshing element that lifts the drink’s flavor profile. The lime juice brings a zesty punch that cuts through the sweetness of the watermelon.
The cocktail’s aroma combines fresh-cut watermelon with hints of garden mint. These scents complement the drink’s crisp, clean finish.
Flavor Notes:
- Primary: Sweet watermelon
- Secondary: Caribbean rum
- Accent: Fresh mint
- Finish: Crisp lime
The drink’s texture is light and refreshing. Ice dilution creates a smooth mouthfeel that makes each sip easy to enjoy.
A gentle rum warmth lingers after each taste. The finish remains clean without any harsh alcohol notes or excessive sweetness.
The cocktail’s pink-red color adds visual appeal. Mint garnish and lime wedges create an inviting presentation that matches the drink’s fresh taste.
Substitute
You can swap ingredients in this Watermelon Rum Smash cocktail to make it your own. Here are some common replacements that work well.
Instead of white rum: Try vodka, gin, or tequila. For a non-alcoholic version, use coconut water or ginger ale.
Fresh watermelon can be replaced with watermelon juice from the store. Use 2 ounces of juice for each cocktail.
Simple syrup alternatives include:
- Agave nectar
- Honey
- Maple syrup
- Sugar-free syrup
Fresh lime juice can be swapped with lemon juice. Avoid bottled citrus juice as it won’t taste as bright and fresh.
For the mint garnish, try:
- Basil leaves
- Rosemary sprigs
- Thyme sprigs
The club soda adds fizz. These options work too:
- Sprite or 7-Up
- Sparkling water
- Ginger beer
- Tonic water
