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keto simple syrup in a glass with lemons and limes on a marble slate

Keto Simple Syrup

Our keto simple syrup recipe just made low carb cocktails a lot more fun! This sugar free simple syrup tastes great in whiskey sours, old fashions, lemon drops and many more!
Prep Time 5 minutes
Cook Time 5 minutes
Servings 24
Calories 0.08kcal
Author Faith



  • Add all ingredients to a medium saucepan over medium heat. Bring to a boil, and then cook 2
  • minutes. Swirl the pot to help the sweetener dissolve, but don’t stir.
  • Remove from heat and cool to room temperature.
  • Store in a covered glass jar in the fridge for up to 1 week.


  • Do not use straight granulated erythritol for this sugar free simple syrup recipe.
  • Recipe makes 1 1/2 cups (or 24 tablespoons) of keto simple syrup.
  • Typically cocktail recipes will use simple syrup in ounces. 1oz = 2 tablespoons. 
  • Please note the carbohydrates in this recipe all come from sugar alcohols. This is a 0g net carb keto syrup. 


Calories: 0.08kcal | Carbohydrates: 2.02g | Sodium: 0.54mg | Potassium: 5.16mg