Keto Mojito

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5 from 11 votes
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This keto mojito recipe uses simple ingredients to create the most refreshing cocktail ever! With no sugar or sugary syrup needed, I can’t get over how customizable it is. 1 gram net carbs. 

Craving more diet-friendly cocktails? Try my keto margarita and low-calorie cocktails next.

keto mojito

Something about sipping on a mojito cocktail just makes me feel like I’m on vacation, so I figured, why wait until vacation when I can make them in the comfort of my home? 

While the traditional adult bevy is loaded with sugar, I’ve given it an easy low-carb makeover!

Table of Contents
  1. Why I love this recipe
  2. Ingredients needed
  3. How to make a keto mojito
  4. Arman’s recipe tips 
  5. Frequently asked questions
  6. More keto drink recipes to try
  7. Keto Mojito (Recipe Card)

Why I love this recipe

  • Easy to customize. I give you the base recipe plus 5 equally amazing flavor combinations so you can sip a different flavor every time you make it. 
  • Ready in minutes. Just muddle the mint, add the other ingredients, and serve it up. It’s really that simple. 
  • Zero fake sugary aftertaste. All you get is the natural flavor of the rum, lime, and mint.
  • No fancy bar equipment needed. You can make it fancy and use a muddler and cocktail shaker, but it isn’t required!

Ingredients needed

  • Lime juice. Freshly squeezed lime juice. 
  • Granulated sweetener of choice. I prefer to use allulose, but monk fruit sweetener should also work.
  • Fresh mint leaves. These will get muddled to give the cocktail a bright and vibrant flavor. 
  • Rum. White rum is preferred, but any good quality rum can be used. 
  • Soda water, seltzer, OR club soda. To taste and to make the cocktail as strong or as smooth as you wish.
  • Ice. What is a keto cocktail without ice?

How to make a keto mojito

I’ve included step-by-step photos below to make this recipe easy to follow at home. For the full printable recipe instructions and ingredient quantities, scroll to the recipe card at the bottom of this post.

Step 1- Muddle the mint. In two highball glasses, add the lime juice, sweetener, and mint. Using a wooden spoon, press down on the mint to break it apart and release the mint flavor. 

Step 2- Finish the cocktail. Pour in the rum and seltzer, stir to combine, top with ice, and serve.

low carb mojito

Serving suggestions

Mojitos have a sharp and robust flavor and tend to pair well with seafood-based dishes. Salmon, tuna tartare, ceviche, or even fish tacos are all fantastic options. They also go great with Mexican dishes like keto nachos, keto salsa with chips, or even a keto charcuterie board

Arman’s recipe tips 

  • Adjust the sweetness. These mojitos aren’t overly sweet, hence the minimal amount of sweetener. If you prefer a sweeter mojito, double or triple the sweetener.
  • Don’t skip the muddling, as it’s essential to breaking down the mint flavor. 
  • Choose the right rum. Many rums contain hidden sugars, so make sure the one you’re buying has no added sugar. 
  • Use other alcohol. If you’re really not a fan of rum, you can use vodka, gin, whiskey, or even tequila instead. 
  • Add a garnish. While optional, I like garnishing my mojitos with a lime wedge and fresh mint sprig. 
  • Make a mocktail. Skip the alcohol and add ½ teaspoon of rum extract for a similar flavor.

Flavor variations

While the classic mojito tastes incredible on its own, here are some other versions for some variety!

  • Strawberry. Replace the granulated sweetener with 1 teaspoon of keto simple syrup. Add 1/2 cup of sliced strawberries to be muddled with the mint. 
  • Watermelon. Add 1 teaspoon watermelon extract and replace the seltzer with sugar-free ginger ale.  
  • Blueberry. Muddle 1/4 cup of fresh or frozen blueberries with the mint. 
  • Coconut. Replace the rum with a coconut-based rum with NO added sugar. Alternatively, add 1/2 teaspoon coconut extract. 
  • Blackberry. Muddle 1/4 cup of fresh or frozen blackberries with the mint.
sugar free mojito

Frequently asked questions

How many carbs are in rum?

Rum actually has zero carbs since all of the sugar is absorbed in the distillation process. 

How many carbs are in a mojito?

A standard mojito has about 15 grams of net carbs, whereas this low-carb mojito has only 3 grams of net carbs. 

More keto drink recipes to try

keto mojito

Keto Mojito

5 from 11 votes
This keto mojito recipe uses simple ingredients to create the most refreshing cocktail ever! With no sugar or sugary syrup needed, I can’t get over how customizable it is. 1 gram net carbs. 
Servings: 2 servings
Prep: 1 minute
Cook: 1 minute
Total: 2 minutes

Ingredients  

  • 2 small limes juiced
  • 2 teaspoon allulose
  • 1/4 cup mint loosely packed
  • 4 ounces rum 120 mls
  • 1 cup seltzer soda water or sparkling water
  • 1/2 cup ice

Instructions 

  • In two large glasses, add the lime juice, sweetener, and mint. Using a spoon, press down on the mint to break it apart and release the mint flavor. Add the rum and seltzer and top with ice.

Notes

Flavor Variations
Strawberry– Replace the granulated sweetener with 1 teaspoon of keto simple syrup. Fold through 1/2 cup of sliced strawberries. 
Watermelon– Add 1 teaspoon watermelon extract and replace the seltzer with sugar free ginger ale.  
Blueberry– Add 1/4 cup of fresh or frozen blueberries. 
Coconut– Replace the rum with a coconut based rum with NO added sugar. Alternatively, add 1/2 teaspoon coconut extract. 
Blackberry– Add 1/4 cup of fresh or frozen blackberries.

Nutrition

Serving: 1servingCalories: 155kcalCarbohydrates: 3gProtein: 1gSodium: 31mgPotassium: 104mgFiber: 2gVitamin A: 272IUVitamin C: 21mgCalcium: 43mgIron: 1mgNET CARBS: 1g
Course: Drinks
Cuisine: American
Author: Arman Liew
Tried this recipe?Give us a shout at @thebigmansworld or tag #thebigmansworld!

Arman Liew

I’m a two time cookbook author, photographer, and writer, and passionate about creating easy and healthier recipes. I believe you don’t need to be experienced in the kitchen to make good food using simple ingredients that most importantly, taste delicious.

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5 from 11 votes (10 ratings without comment)

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  1. 5 stars
    I’ve died and gone to heaven! But you mentioned a keto espresso martini? Where? How? That’s a must have!!!