Here’s a watermelon mocktail that doesn’t skimp on the watermelon flavor. An overnight, no-cook watermelon syrup ensures the best flavor. Mix it with some fresh mint, lime juice, and sparkling water for the most refreshing drink of the summer.
- Prep Time:
20 mins - Cook Time:
0 mins - Total Time:
20 mins*
* Plus steeping time for watermelon syrup
A watermelon drink worthy of the fruit
I used to avoid watermelon drinks because they never tasted like much of anything least of all watermelon. There was always this promise of something crisp and fresh just like the fruit but the drinks always fell short. Until now.
Recently, I was talked into a watermelon cocktail at a gin tasting while on holiday in Australia. And I loved it. I loved it so much that I was actually ordering watermelon drinks at other places during our vacation and really enjoying them.
Clearly, there was a way to get that deep watermelon flavor in drink form that most recipes I had tried before lacked. I was on a mission to find it to create a watermelon mocktail worthy of the fruit. I knew creating a watermelon syrup would probably be the best place to start since I strongly believe that a good flavored simple syrup makes the best mocktails.
How to get the best watermelon flavor
Let’s be honest. Most watermelon drinks taste watery. So, how can you get a stronger watermelon flavor without resorting to artificial flavorings? It turns out the secret is to macerate the watermelon with some sugar overnight before mashing it up and straining it.
As a test, I tried 3 different ways to create a watermelon “syrup”. One method was to just mash up some plain watermelon and strain it. The second method was to mash the watermelon with some sugar before straining it. The third method (known as the cold press method) was to sprinkle the watermelon with some sugar, let it sit in the fridge for 24 hours, and then mash and strain it.
Then I did a blind taste test with 2 other tasters where we tasted the watermelon syrup on its own and mixed in a drink. We all agreed that the syrup made using the cold press method, by far, had the best flavor on its own and in a drink. The drink actually tasted like watermelon.
The other two methods delivered underwhelming results. The first method with just plain blended watermelon tasted like watered down watermelon. The second method where the watermelon was mashed with sugar tasted like sugar water with an almost undetectable watermelon flavor.
Yes, the overnight method requires some planning but what that method lacks in speediness is more than made up for in flavor. The resulting syrup is also a beautiful deep rich color.
In other words, it’s worth it.
Watermelon mocktails for a crowd
The recipe below is for one drink but you can easily mix up all the ingredients for the mocktail (except for the sparkling water) in a pitcher ahead of time if you’re serving a crowd.
Double or quadruple the mocktail ingredients as needed.
When you are ready to serve, stir up the mixture (the watermelon syrup separates as it sits), pour over ice, and top with sparkling water.
Watermelon Mocktail
- Prep Time: 20 minutes
- Steeping Time: 24 hours
- Cook Time: 0 minutes
- Total Time: 24 hours 20 minutes
- Yield: 1 mocktail 1x
- Category: Drinks
- Method: Stirring
- Cuisine: American
Description
Here’s a watermelon mocktail that doesn’t skimp on the watermelon flavor. An overnight, no-cook watermelon syrup ensures the best flavor. Mix it with some fresh mint, lime juice, and sparkling water for the most refreshing drink of the summer.
Ingredients
For the watermelon syrup
- 4 cups cubed watermelon (see Note 1)
- 1/2 cup granulated sugar
- pinch of salt
For each mocktail
- 6–8 fresh mint leaves
- 1/2 teaspoon fresh lime juice
- 1/4 cup watermelon syrup
- 1/4 cup sparkling water
- Fresh mint leaves and small watermelon slices for garnish, optional
Instructions
For the watermelon syrup
- Steep. In a large bowl, stir cubed watermelon, sugar, and salt together until sugar is evenly distributed. Cover bowl and refrigerate for 24 hours.
- Mash. After 24 hours, mash the watermelon mixture a bit with a big spoon or potato masher. (see Note 2).
- Strain. Strain the syrup through a fine-mesh strainer into a clean pitcher or jar. Discard any remaining solids. Store watermelon syrup in refrigerator until ready to use (see Note 3).
For each mocktail
- Mix. In a cocktail glass, muddle the mint leaves with lime juice. Add the watermelon syrup and stir (see Note 4). Add ice and then top with sparkling water. Give it another gentle stir, garnish with mint leaves and watermelon slice, and serve (see Note 5).
Notes
- The cubes should be about 1/2-inch square. No need to get out a ruler; you just don’t want huge chunks.
- You can also use an immersion blender if you’re in a hurry. The mixture doesn’t need to be purรฉed just broken up a bit.
- This recipe yields 1 1/2 to 2 cups of syrup. The watermelon syrup can be stored in the refrigerator for about 2 weeks.
- Stir up the watermelon syrup before using if it has been sitting for awhile.
- You can also salt the rim of the glass for an extra garnish. Not everyone likes the extra salt so I recommend either only salting half of the rim or serving the drink with a straw.
- Recipe for watermelon syrup adapted from Cocktail Contessa.
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