Keto Mojito

Prep: 5 min Total: 5 min Servings: 2
Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published June 13, 2021 • Updated February 2, 2026

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A sugar free mojito is the perfect refreshing drink for a hot summer day. The lime, mint, rum, and club soda come together for an easy cocktail you can make in minutes. Skip the rum and it works just as well as a mocktail.

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Keto Mojito

Prep 5m Total 5m 2 servings

Ingredients

  • 2 sprigs fresh mint
  • 2 teaspoons sugar free brown sugar sweetener
  • 1 ounce (2 tablespoons) fresh lime juice
  • 4 ounces light rum
  • 4 ounces club soda
  • crushed ice
  • 2 lime wedges for garnish
  • 2 mint leaves for garish

Step by Step Instructions

Step by Step Instructions

1
Muddle the mint

In each high ball glass, muddle 1 sprig of mint and 1 teaspoon brown sugar-like sweetener until the mint is crushed a bit.

muddled mint leaves and brown sugar in a glass
2
Time to get rummy

To each, add 1/2 ounces lime juice and 2 ounces light rum and muddle it a little.

mint leaves at the bottom of a high ball glass
3
Top with soda and ice

To each, pour in 2 ounces club soda and add a handful of crushed ice. Garnish with a lime wedge and mint leaf.
(Option: Use a cocktail shaker if you have one or just stir to mix)

dropping an ice cube into a drink glass
Nutrition Per Serving
133 Calories
0g Fat
0g Protein
1.5g Net Carbs
1.5g Total Carbs
2 Servings
Nutrition disclaimer

The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

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Low Carb Mojito Recipe

holding a mojito

I’ve been making this mojito all summer and it’s become my go-to cocktail. You just need fresh mint, a sugar free brown sugar replacement, fresh lime juice, light rum, club soda, and crushed ice. It takes about five minutes to muddle and pour, and it tastes just like the real thing without the sugar.

two cocktails with mint and lime

What is a Mojito?

A mojito is a traditional Cuban cocktail made with rum, lime, soda, sugar, and mint. I swap the sugar for a keto brown sugar substitute, and honestly you can’t tell the difference. With fresh mint leaves and lime wedges, this drink is bright, cold, and perfect for sitting by the pool.

Carbs in a Mojito

A typical mojito has around 11.3g of carbs and 5.3g of sugar per serving. This version? 1.5 net carbs per cocktail. That’s a huge difference, and you’re not sacrificing any flavor to get there.

a lime wedge and mint leaf on top a mojito cocktail glass

Is Rum Keto?

Yes! Rum, whiskey, and vodka all have zero carbs. White rum or light rum both work in this low-carb cocktail. Just make sure you’re using a sugar free sweetener in the mix and not adding sugary mixers.

Other Summer Cocktails

Not a mojito person? Try a piña colada, strawberry daiquiri, or margarita instead.

The piña colada uses rum, coconut milk, and monkfruit sweetener for a tropical twist.

The strawberry daiquiri is another easy one that feels like vacation in a glass.

If you prefer tequila over rum, go with the margarita. All of these are low carb and taste great.

Keto Mojito

Frequently Asked Questions

Can I make this mojito without alcohol?

Absolutely! Just skip the light rum and you've got a refreshing mocktail.

What can I substitute for the sugar-free brown sugar sweetener?

You can use erythritol or monk fruit instead. Just adjust the amount to taste since they vary in sweetness.

How should I store leftover mojito?

It's best fresh, but you can store leftovers in the fridge for up to 24 hours. The mint will lose some of its punch though.

Is this mojito suitable for a keto diet?

Yes! It's sugar free and only 1.5 net carbs per serving, so it fits easily into a keto diet.

Can I use bottled lime juice instead of fresh lime juice?

While fresh lime juice is recommended for the best flavor, you can use bottled lime juice in a pinch. Just make sure it doesn’t have added sugars!

About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

Learn more about Annie View My Cookbook

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