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    Home » Keto Recipes

    Easy Keto Simple Syrup Recipe

    Published: Jul 25, 2022 · Modified: Mar 23, 2025 by Olivia Wyles · This post may contain affiliate links · 2 Comments

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    If you’re like most people, you assume that life on the keto diet is pretty limited. After all, you’re focused on eating as few carbs as possible, and that usually means forgoing sweet treats. I know that was my assumption, at least at first, but I was wrong! Keto life can be so sweet! Take this keto simple syrup recipe for instance. A natural sweetener, it can bring a touch of sweetness to so many dishes, all without bumping your net carbs up too much and knocking your body out of ketosis.

    easy keto simple syrup in a glass jar with wooden spoon

    In this keto simple syrup recipe, I’ll cover how to make this keto sweetener, how to use it in your daily life, and tips to ensure you’re able to keep a ready supply on hand for any time you need a quick touch of sweetness.

    TABLE OF CONTENTS tap to show
    1 A Low Carb Sweetener
    2 Why Skip Sugar-Free Liquid Sweetener?
    3 Behind My Love of a Great Cocktail
    4 How Does Keto Syrup Differ from Traditional Simple Syrup?
    5 Keto Syrup Ingredients and Equipment
    6 Sugar-Free Simple Syrup Recipe Instructions
    7 How Much Keto Syrup to Use?
    8 What to Use Keto Syrup In?
    9 How to Make Flavored Keto Syrup
    10 Keto Simple Syrup

    A Low Carb Sweetener

    This keto syrup is not your regular liquid sweetener. You won’t find any high-fructose corn syrup, xanthan gum, regular sugar, maple syrup, or other high-carb options here. It’s a tried-and-true solution for those who want to keep their body in ketosis, but need to add a hint of bright, sugary sweetness to their day. This simple recipe is particularly good for making your favorite cocktails and other beverages just like regular simple syrup.

    If you’re ready to get going, jump to the recipe card below. However, if you want to know a bit more about making keto sweetener before that, keep reading for great tips and tricks.

    Why Skip Sugar-Free Liquid Sweetener?

    Before we get too far into the discussion, let’s touch on something that most of you are probably already wondering. That is, why bother with keto syrup in the first place? I mean, there are plenty of readily available sugar-free liquid sweeteners out there. Just a few drops will sweeten up just about anything without bumping your carb intake over the top, so why worry about the syrup itself?

    That was my thought, too, at least at first. After all, if I’m only after a little sweetness to counterbalance acidity or something, then why go to all the trouble of making a keto syrup? Here’s what I discovered – it’s not just about the sweetness.

    A good keto syrup brings other things to the party that you’ll miss in your favorite drinks if you go with a plain keto sweetener, like body and volume. A couple of drops of liquid sweetener cannot replace those, and you will definitely notice their absence, whatever you’re making.

    Behind My Love of a Great Cocktail

    Growing up, cocktails were the thing for my parents. Both my mom and my dad loved a good cocktail, from whisky sours to mojitos. While most of my friends’ parents drank beer or maybe went for a whisky and Coke, mine loved to hand-craft cocktails.

    That makes sense, though, considering my dad’s love of cooking. And while my mom only cooked desserts and for special occasions, she loved making things as much as my dad did. I think they both loved the creativity that went into the process as much as the finished product.

    Anyway, I grew up watching my folks get creative with simple syrup made from pure sugar and other ingredients, making their own versions of popular cocktails and sometimes just creating their own recipes from scratch.

    Neither of my parents drank to excess, but the crafting of cocktails was definitely a part of my childhood, along with the smells and colors that went with them. As I matured, I guess that just sort of stuck with me – kind of like the love of cooking that I learned from my dad.

    How Does Keto Syrup Differ from Traditional Simple Syrup?

    Traditional simple syrup is just that – simple. There are only two ingredients needed: granulated sweetener and water. Combine them, add some heat, and stir until the sugar dissolves, and you have a plain syrup that will work for most cocktails, as well as for other things.

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    Of course, that won’t work if you’re following the keto diet like me. That dose of carbs will likely knock you out of ketosis (especially since you’re already getting a hit of sugars from the alcohol if you’re making cocktails).

    This sugar-free syrup omits regular sugar and instead relies on a keto-friendly option. Use any sugar-free sweetener such as stevia, Monk fruit, allulose, or erythritol, which has no impact on your blood sugar. And, best of all, you get just 0g of net carbs per serving, making this a great replacement for keto dieters!

    Keto Syrup Ingredients and Equipment

    • Water (hot water – don’t use room temperature water)
    • Granulated sugar-free sweetener such as stevia, Monk fruit, allulose, or erythritol
    • A small saucepan
    • A glass jar to store the syrup (I recommend a mason jar)
    • *You do NOT need a thickening agent.

    Sugar-Free Simple Syrup Recipe Instructions

    Making keto syrup is incredibly easy. Just add your water and sugar-free sweetener to a pot and heat it on the stove. Stir it until the sweetener dissolves, but don’t boil the liquid. Set it aside and allow it to cool and then you’re all set. Store it in a mason jar at room temperature and it should be good for up to two weeks.

    How Much Keto Syrup to Use?

    So, how do you mix this sugar-free sweetener into your cocktails and other recipes? My recommendation is to replace traditional simple syrup in a 1:1 ratio in your favorite drink recipe, but you may want yours a little sweeter or a little less sweet. Start with 1:1 and then tailor the mix to your personal preferences.

    What to Use Keto Syrup In?

    You can use this keto syrup in just about anything, not just low carb cocktails. It’s particularly good for making cocktails like mojitos and Moscow mules where you need a little bit of sweetness, but don’t want to overdo the carbs, but you can also use it in other ways, such as:

    • Add moisture and sweetness to baked goods.
    • Add it to cold-brew coffee and other cold drinks.
    • It’s a great addition to tea.
    • Use it to top keto pancakes.

    How to Make Flavored Keto Syrup

    Love the idea of infused flavors in your keto syrup? It’s super simple to do.

    • Add herbs, spices, and other simple ingredients to the simmer and strain them out when the syrup cools.
    • Add flavoring extracts (¼ teaspoon) to the cooled syrup.
    • Add lemon or lime juice to the syrup for a unique take on sours.

    Did you enjoy this easy recipe? Here’s more you’ll enjoy:

    • 11 Legit Quick & Easy Keto Cocktails That Won’t Knock You Out Of Ketosis
    • 11 Fail Proof Quick & Easy Keto Fat Bomb Recipes With Only 3 Ingredients
    • 11 Quick & Easy Keto Smoothie Recipes
    • 8 Quick & Easy Keto Candy Ideas For Your Sweet Tooth (Sugar Free & Low Carb)
    • 10 Keto Starbucks Drinks & How To Order
    Easy Keto Simple Syrup

    Keto Simple Syrup

    A natural keto sweetener that can bring a touch of sweetness to so many dishes, all without bumping your net carbs up too much or knocking your body out of ketosis.
    4.60 from 5 votes
    Print Pin Rate
    Course: Drinks
    Cuisine: American
    Keyword: Simple Syrup
    Prep Time: 1 minute minute
    Cook Time: 5 minutes minutes
    Total Time: 5 minutes minutes
    Servings: 12
    Calories: 1kcal
    Author: Olivia Wyles

    Ingredients

    • ⅔ cups water
    • ⅓ cup granulated sugar-free sweetener stevia, Monk fruit, allulose, or erythritol

    Instructions

    • Combine water and sweetener in a pot
    • Bring the mixture to a low simmer on the stove
    • Stir until the sweetener is dissolved
    • Set aside and allow to cool
    • Store it in a mason jar at room temperature. It has a shelf life of about 2 weeks.

    Notes

    16 Carbs - 16 Sugar Alcohols = 0 Net Carbs

    Nutrition

    Serving: 1g Calories: 1kcal Carbohydrates: 16g (5%) Fiber: 0g Net Carbohydrates: 0g Sugar Alcohols: 16g
    Did you make this recipe?I love hearing how my recipes turned out for you! Add your "try" on Pinterest and mention @oliviawylespins.

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    4. Keto Sonic Peanut Butter Bacon Shake
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    Comments

    1. Marcella

      May 26, 2024 at 12:54 pm

      3 stars
      I followed the steps exactly. And while it was cooling it started to crystallize and became cloudy. After a bit more the sugar just settled at the bottom. Is this suppose to happen?

      Reply
      • Olivia Wyles

        May 27, 2024 at 8:43 am

        Hi Marcella, thank you for your feedback and providing a much needed sign that I need to update this post. This recipe is due for a major overhaul as I wrote it quite a few years ago so it needs some extra tips. Some things that will help prevent crystallization:

        1) 2:1 ratio: I have updated the recipe for the 2:1 ratio rule. There has to be twice as much water than sweetener.

        2) Don’t put in the fridge: I have updated the recipe storage instructions. It should be stored at room temperature in a Mason jar.

        3) Use distilled water if it still crystalizes. Must follow the 2:1 ratio.

        4) Use xanthan gum as a thickening agent to achieve syrup consistency and prevent crystallization. Must follow the 2:1 ratio.

        Reply
    4.60 from 5 votes (4 ratings without comment)

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    Hi, I’m Olivia, and I’ve been creating easy recipes made for real life since 2018, all with minimal ingredients and convenience in mind. My recipes are quick and easy—just grab a few ingredients and you’re good to go! I focus on keto, high protein, low carb, + carnivore recipes. Learn more about me here.

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