Simple Watermelon Cosmo Recipe - refreshing summer co*cktail in 5 min! (2024)

If you like a good cosmopolitan co*cktail you will love this simple watermelon cosmo recipe. This is a refreshing drink for a hot summer day and also a good way to use up extra watermelon. You only need 4 ingredients for this simple drink and about 5 minutes to make it. It’s sweet and tart as well as refreshing.

You might also like this raspberry lime shrub drink.

I don’t know about you but watermelon is a staple in our house during the summer. However we rarely eat the whole thing so I decided to think of a good summer drink recipe and came up with this most delicious and simple watermelon cosmo recipe.

If you like cosmopolitans you will love this co*cktail. It only uses 4 ingredients and takes about 5 minutes to make. It has the same flavors of a classic cosmo but it uses fresh watermelon juice instead of cranberry flavor. And it’s simply delicious!

What is in a classic cosmopolitan co*cktail.

I learned all about cosmopolitans when I made a keto version a while back. A classic cosmo has vodka, triple sec, cranberry juice and lime juice. Some people use Cointreau which is a brand of orange-flavored triple sec liqueur.

The cosmopolitan originated from the Vodka Gimlet (vodka + lime juice + simple syrup) which morphed into a Kamikaze (which added triple sec) and became the cosmopolitan in the 1980’s with the addition of the signature cranberry juice. Now it’s better known as Carrie Bradshaw’s signature co*cktail.(learn more)

Recipe ingredients I used.

All you need to make this summer co*cktail is vodka, triple sec, fresh watermelon (seedless) and fresh lime juice.

Some people liketo make a simple syrup also butI felt the juice was sweet enough.A simple syrup is just a mixture of water and white sugar heated until the sugardisolves.

You make homemade watermelon juice by blending and straining out the pulp. It in itself is delicious! I once had a wonderful fruit juice (no alcohol) in the Dominican Republic while on vacation as a child and I want to recreate it with this juice.

How to make a simple watermelon cosmo co*cktail.

Step 1: Chop the watermelon into chunks but keep a few watermelon slices to use as garnishes. Add the cubed watermelon chunks to a blender or food processor and puree. Strain into a measuring cup or bottle using a mesh strainer.

I juiced about 4 cups of cubes and end up with 2 ⅓ cups of juice as you can see below. However I only used 3 ounce of juice per drink. I save the leftovers for a delicious nonalcoholic drink.

Step 2: Fill a martini shaker with ice and then the vodka, triple sec, lime juice and watermelon juice. Shake well and taste. If it’s too tart add a bit more watermelon juice.

Step 3: Strain co*cktail mixture into a chilled glass and add a lime wedge or piece of watermelon for garnish. (Please scroll down to view the printable recipe card.)

Drink tips and notes.

• TIP: 1 fluid ounce equal 2 tablespoons and 2 fluid ounces equals 4 tablespoons which equals ¼ cup
• As I mentioned above I got 2 ⅓ cup of pulp free watermelon juice from 4 cups of pieces. I only used 3 oz in my drink. So you will have leftover juice to drink as is or make a few more of these martinis!
• To make this into watermelon margaritas – The only real difference between a cosmo and a margarita is that a margarita uses tequila instead of vodka. So you could also make a margarita but using tequila, triple sec, lime juice and a little extra watermelon juice.
• Freeze a few chunks and use them as ice cubes!

Other summer co*cktails to try.

Since I primarily make keto co*cktails, most of my drink recipes are low carb but you can usually just substitute regular sugar where I use sweetener. Here are few of my favorite delicious co*cktails.

• low carb paloma (tequila and grapefruit drink)
• keto cosmo (low carb version of the classic drink)
• keto pina colada
• keto Long Island iced tea
• strawberry margarita slush

Nothing says summer like a simple watermelon cosmopolitan drink! It’s a great way to use up leftovers and for those hot summer days. I hope you like this refreshing co*cktail as much as I did. Enjoy!

Watermelon Cosmo co*cktail Recipe

Yield: 1

Prep Time: 5 minutes

Total Time: 5 minutes

Nothing says summer like a delicious watermelon cosmo co*cktail. This summer drink is sweet and tart and only takes 5 minutes to make. It's sure to be your favorite refreshing summer co*cktail.

Ingredients

• 2 ounces vodka
• 1 ounce triple sec
• 3 ounces watermelon juice (about 1 cup fresh watermelon cubes)
• 1 ounce lime juice

Instructions

1. Chop the seedless watermelon into pieces and add to a blender or food processor. Blend until it is pureed.
2. Strain into a pyrex measuring cup to get the pulp out and any little seeds. You want 3 oz which is roughly ⅓ cup of juice. I used 4 cups of watermelon to end up with 2 ⅓ cup of strained juice. The leftovers are delicious so it's not bad to have too much.
3. Add ice cubes to a co*cktail shaker and a few ice cubes to chill the drink. Then pour in all the ingredients, shake and taste test. If it's too tart, add a bit more watermelon juice.
4. Strain into a martini glass and garnish with watermelon wedges or lime slice. This recipe makes 1 fairly large drink.

Nutrition Information:

Yield: 1Serving Size: 1
Amount Per Serving:Calories: 235Total Fat: 0gSaturated Fat: 0gTrans Fat: 0gUnsaturated Fat: 0gCholesterol: 0mgSodium: 8mgCarbohydrates: 18gFiber: 0gSugar: 15gProtein: 0g

See Also

Coconut Shake (Easy 3-Ingredient Recipe) - Heavenly Home Cooking

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More Easy Low Carb Drink Recipes