Keto Mojitos: Low Carb Cocktails

keto mojitos
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Yes, there is such a thing as low-carb cocktails, and a Keto Mojito is one of them. If you thought you couldn’t drink a mojito, all you have to do is substitute the sugar and it’s only 3 or less net carbs.

I’m a big fan of cocktail, so when I started eating low carb I was super fearful that I’d have to give up my before dinner cocktail. But then I learned about sugar substitutes and tried a few out to see that they’re just as good in a cocktail as the real thing.

keto mojitos

There are calories in a cocktail, of course, because the alcohol has calories, but there are no carbs in clear spirits, like rum, vodka, mezcal and tequila. That means the only carbs you’ll add to a cocktail is from fruit and other additions.

Keto Mojitos are made just like the original with rum, mint leaves, limes, sugar and soda water. The only difference is that you must substitute the regular sugar with something like xylitol or erythritol.

I personally prefer xylitol because it dissolves better, tastes very similar to sugar, and it can be added in the same ratio as sugar. That makes figuring out how much to use very simple.

keto mojitos

Total Carbs in a Keto Mojito

There are 3 net carbs in a keto mojito. This is 5 total carbs minus 2 grams of fiber/sugar alcohol.

The carbs come from the limes. If you keep the glass small, you won’t need a full lime to make this drink and that will keep the carb count to 3 net carbs.

How to Make a Keto Mojito

Here are the steps to make a keto mojito. What a fun name!

Step One: add about 8 lime leaves to the bottom of a glass. Pour in the sugar and 3 lime wedges. Muddle all of this together with a muddler (preferably) or the back of a spoon, until the lime juice is released and the mint is a bit crushed.

Step Two: Add ice to the glass. Right up to the top. Then add the rum.

Step Three: Fill the glass to the top with soda water. You can also use tonic water, but make sure it’s a no sugar version. Add a few fresh mint leaves and a slice of lime for garnish.

That’s it. One perfect mojito!

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keto mojitos

Keto Mojito

You can still enjoy a mojito on a keto diet with these keto mojitos with just 3 net carbs.
5 from 6 votes
Print Rate
Course: Drinks
Cuisine: American
Keyword: Lime, Mint, Rum
Prep Time: 5 minutes
Total Time: 5 minutes
Servings: 1 cocktail
Calories: 114kcal
Author: Laura



  • 8 mint leaves
  • 1/2 lime cut into 4 wedges
  • 2 tbsp Xylitol sugar substitute
  • 1.5 oz white rum
  • Ice
  • Soda water


  • Place mint leaves, 3 lime wedges, and sugar into a short glass.
  • Use a muddler to crush the lime and muddle the juices. Fill the glass up with ice.
  • Pour the rum into the glass, then fill to the top with soda water. Stir. Garnish with the remaining lime wedge.


  • You can make a tall glass, if preferred, however half a lime is sometimes not enough to flavor that large of a glass, when filled up with soda water. Extra lime will add extra carbs.


Calories: 114kcal | Carbohydrates: 5g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Sodium: 4mg | Potassium: 46mg | Fiber: 2g | Sugar: 1g | Vitamin A: 340IU | Vitamin C: 12mg | Calcium: 31mg | Iron: 1mg

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Keto Mojitos
Keto Mojitos: Low Carb Cocktails

6 thoughts on “Keto Mojitos: Low Carb Cocktails

  1. Jenn says:

    5 stars
    I’m always looking for more low carb cocktail suggestions and this looks so refreshing and delicious! I love mint!

  2. Jacqueline Meldrum says:

    5 stars
    Oh that looks so good. After the stressful day I have had homeschooling, I could really do with one of these. Sharing!

    • Laura says:

      The short answer is yes, but you’d have to adjust the amount. The best thing about Xylitol is that it has a 1:1 sweetness with sugar and a similar graininess. Pure monk fruit sweetener is a lot sweeter than sugar and often comes in liquid form. It would really depend on what type of monkfruit sweetener you’re using. Mixed with erythritol would be the closest match.

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