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    Home » Dessert Recipes » Candies » Keto Peanut Brittle

    Keto Peanut Brittle

    5 Ingredient RecipesGluten & Grain Free RecipesLow Carb & Keto RecipesSugar Free Recipes

    Published: Nov 13, 2020 by Taryn

    This post may contain affiliate links which won’t change your price but will share some commission.
    Print Recipe Jump to Recipe
    pinterest image for keto peanut brittle

    Crunchy and delicious Keto Peanut Brittle is the dessert you need for all your holiday get-togethers. You won’t find an easier or more scrumptious peanut brittle recipe. Imagine eating your favorite festive treat, and it also happens to be low-carb, sugar-free, gluten-free, and grain-free. 

    side view of pile of keto peanut brittle on speckled backdrop

    collage of food
    Free Guide! Feed a Family on a Low Carb Diet

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    This is a sponsored post written by me on behalf of Caraway Cookware. 

    Eating peanut brittle has been a tradition in our family for as long as we can remember. It was my grandmother's favorite candy. It’s just something we grew up eating, and I didn’t want to give that up just because I eat low carb. There is always a solution to your favorite recipes; you just have to play around with the ingredients until you get it perfect. I can tell you that this keto peanut brittle is about to change the way you think about making homemade candy.

    peanuts in caramel in saucepan

    You won’t believe how incredible this Caraway Cookware is! Not only is it non-toxic and eco-friendly, but it’s also non-stick too. When I say non-stick, I REALLY mean it! 

    If you have made a cooked caramel before, or any candy such as my Keto Toffee, you know that it can be hard to clean from the pan. I was amazed by how easy the pan was to clean after making this keto peanut brittle. Normally, it’s so hard to clean, and I consider tossing the pan, but not this time. 

    In addition to having a frying pan, saucepan, saute pan, and dutch oven Caraway Cookware also has a fantastic magnetic pan rack and canvas lid holder. They are game changes when it comes to getting your kitchen organized. 

    I am super excited about all the different colors you can get from the Caraway Cookware. I went with sage, and it’s seriously so gorgeous. You can also choose Cream, Gray, Perracotta (a cross between Terracotta and Pink), Navy, or their limited edition Marigold. Having cookware that actually does its job and happens to look cute at the same time is a win all around if you ask me.

    So, if you are looking for some fantastic cookware, I highly recommend checking them out. I only recommend products I love and this is my favorite cookware. With a family of 8, we are hard on our cookware and Caraway lives up to us!

    close up of caraway cookware pan handle

    What You’ll Need

    You won’t believe that there are only 4 ingredients needed to make a batch of keto brittle. Let’s take a look.

    • Butter - I use salted butter in this recipe.
    • Heavy Cream - This can be called heavy cream or heavy whipping cream depending on the brand.
    • Roasted Salted Peanuts - or nuts of your choice. If they are large pieces chop them first.
    • Trim Healthy Mama Gentle Sweet or my sweetener made from a combination of xylitol, erythritol, and stevia.

    small bowls on ingredients including nuts butter sweetener and cream

    How To Make Keto Peanut Brittle

    Step One: Place parchment paper on a cookie sheet and set it aside. 

    Step Two: Add the butter, 3 tablespoons of heavy cream, and the sweetener to the pan.

    overhead shot of sauce pan with butter, cream, and sweetener

    Cook over medium-low until it’s thickened up and turns deep golden brown. This step takes around 10 minutes. Stir it frequently. I don't bother with a candy thermometer because you can tell just by the color and fragrance when this is done.

    Expert Tip: If you notice that it doesn’t seem to be thickening up, you can go ahead and turn up the heat to medium or medium-high. If you turn up the heat you must stir it continually. It goes from perfect to burned in seconds.

    cooked caramel in sauce pan

    Remove the mixture from the heat and add in the rest of the heavy cream. It will bubble up. Stir until it’s smooth.

    peanuts in caramel in saucepan

    Then mix in the peanuts or nuts of your choice. Carefully pour the brittle onto the baking sheet and put it in the fridge overnight. Break into pieces, serve, and enjoy! 

    If you love this recipe you should try my Peanut Butter Cake with Caramel Icing next!

    peanut brittle spread on parchment paper

    Tips For Making Peanut Brittle

    • Try to avoid making the peanut brittle when it’s super humid. This can greatly affect the peanut brittle and not turn out as well. So, choose a dry day and you should be okay. 
    • Using a high-quality non-stick pan, like Caraway, is a game-changer and will save you a HUGE headache when it’s time for cleanup. 
    • You can use your hands or even a wooden spoon to break apart the keto peanut brittle once it’s cooled. 

    How Do You Store Peanut Brittle?

    Peanut brittle should always be kept in the fridge, or it will become too soft. Make sure it’s in a container that is sealed tight, and it will last 3-4 weeks. This makes a great gift for people for the holidays, especially since you can make it in advance. 

    Additionally, you can store the keto peanut brittle in the freezer too. It should be wrapped tight and in an airtight plastic or glass container. It will last up to 6 months in the freezer, so you can always have some on hand when a craving strikes.

    close up of the peanut brittle candy

    Can I Use a Variety of Nuts?

    Yep! We love to eat ours with just peanuts most of the time, but you can certainly add a mixture if you want. Hazelnuts, walnuts, pecans, and almonds are a lovely combination that you may enjoy. I love my Salted Chocolate Almond Brittle Bark as a variation on this.

    Can I Make this into a Soft Caramel?

    Yes, this can be a softer chewier candy if you add an extra tablespoon of cream and leave it at room temperature. It's chilling that hardens the candy into a brittle texture. At room temperature with the peanuts this almost tastes like a gluten free Snickers bar! You can cover it in melted sugar-free chocolate to really get to that flavor.

    stack of pieces of keto peanut brittle candy

     

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    close up of the peanut brittle candy

    Keto Peanut Brittle

    Crunchy Keto Peanut Brittle is the dessert you need for all your sweet tooth. You won’t find an easier or yummier peanut brittle recipe.
    Print Recipe Pin Recipe Rate Recipe
    Prep Time: 5 minutes
    Cook Time: 10 minutes
    Total Time: 15 minutes
    Course: Dessert
    Cuisine: American
    Servings: 8
    Calories: 194
    Author: Taryn

    Equipment

    Small Saucepan

    Ingredients

    • 5 tablespoon butter
    • 4 tablespoon heavy cream
    • 1 cup roasted salted peanuts
    • ½ cup Joy Filled Eats Sweetener (or see alternatives in recipe notes)
    US Customary - Metric
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    Instructions

    • Line a cookie sheet with parchment paper.
    • Cook the butter, 3 tablespoon of the cream, and the sweetener. over medium-low heat until thickened and golden. This takes about 10 minutes. If it doesn't seem to be thickening you can turn up the heat to medium or medium-high but stir constantly. It can burn quickly.
    • Remove immediately from the heat and add the reserved cream. Stir until smooth. Stir in the peanuts. Pour onto the parchment-lined tray and refrigerate overnight.

    Notes

    Nutrition: this recipe makes 8 servings. There are 1 NET carbs per serving. 
    Substitutions: swap out the peanuts for any of your favorite nuts. 
    To Store: it will last 3-4 weeks in an airtight container in the fridge. 
    To Freeze: store in a sealed container for up to 6 months. 
    Notes on Sweeteners: 
    I use my own blend of xylitol, erythritol, and stevia in my recipes. This is twice as sweet as sugar. It is comparable to Trim Healthy Mama Gentle Sweet and Truvia.
    To sub in Swerve or Lakanto Monk Fruit use 1.5 times the amount of sweetener called for. 
     
    To sub in Pyure or Trim Healthy Mama Super Sweet use half the amount of sweetener called for.
     
    Substitutions will work in most recipes. They may not work in candies, such as caramel.

    Nutrition

    Calories: 194 | Carbohydrates: 3g | Protein: 5g | Fat: 19g | Saturated Fat: 8g | Cholesterol: 29mg | Sodium: 70mg | Potassium: 141mg | Fiber: 2g | Sugar: 1g | Vitamin A: 332IU | Calcium: 26mg | Iron: 1mg
    Tried this Recipe? Tag me Today!Mention @joyfilledeats or tag #joyfilledeats!

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    Comments

    1. Naomi says

      March 13, 2022 at 12:03 pm

      Would Bocha Sweet sweetener work for this?

      Reply
      • Taryn says

        March 14, 2022 at 11:01 am

        I'm not sure, sorry.

        Reply
    2. Martha says

      December 24, 2021 at 9:38 am

      I made the recipe exactly, using the JFE sweetener, and it didn't set up. I'm so disappointed. I'm going to try freezing it, to see it that will set it up.3 stars

      Reply
      • Taryn says

        December 24, 2021 at 10:58 am

        You didn't cook it long enough if it's not setting. I don't think freezing will help, unfortunately. Most sugar free caramel does recrystallize when chilled so a day or two in the fridge might be enough. It's better to let that happen slowly.

        Reply
    3. Kerin Magill says

      December 10, 2021 at 9:59 pm

      How many total carbs?

      Reply
      • Taryn says

        December 13, 2021 at 11:29 am

        The nutrition info is in the recipe card.

        Reply
    4. Lee Ann says

      November 25, 2020 at 9:29 am

      I'm so looking forward to making this for the holidays. I have a question. What size is your cookie sheet?

      Reply
      • Taryn says

        November 25, 2020 at 10:50 am

        10x13 but it really doesn't matter for this. You want to spread it fairly thin so any large size cookie sheet will work.

        Reply
    5. Elizabeth says

      November 22, 2020 at 12:42 pm

      Hi Taryn, I must have done something wrong. Mine never hardened completely and although tastes amazing, I would like to be able to make it correctly. Any ideas on what I did wrong?

      Reply
      • Taryn says

        November 22, 2020 at 10:47 pm

        My guess is you should've cooked it a little longer. Did you chill it overnight yet? That will cause it to harden. And leaving it longer will make it crystallize more and more.

        Reply
    6. Peggy says

      November 19, 2020 at 10:35 am

      Used swerve turned out terrible

      Reply
      • Taryn says

        November 19, 2020 at 1:49 pm

        I'm sorry that swerve didn't work. Candies are very particular which is why I have a note in my recipe card that substitutions may not work for candy recipes.

        Reply
    7. Silke says

      November 18, 2020 at 4:06 pm

      These sweets are absolutely gorgeous!!! I made them today with mixed nuts (walnuts, roasted hazelnuts and roasted almonds) plus some added salt - and really had to stop myself from eating the whole batch right away!
      Thanks so much for all your recipes - I've only recently come across your blog - and love it!!!
      Just one question: since I live in Germany I'm only used to metric measurements. In some of your recipes you can switch between US customary and metric measurements - it would be great if you could do this every time.
      Looking forward to anything you share with us here!5 stars

      Reply
      • Taryn says

        November 18, 2020 at 5:08 pm

        Hi Silke, I am trying to add metric to every recipe but am going through 600 recipes one by one. If you have one you want converted just let me know 🙂

        Reply
    8. Elizabeth says

      November 17, 2020 at 3:14 pm

      Can’t wait to try this 😋5 stars

      Reply
    9. Amy Rice says

      November 13, 2020 at 4:49 pm

      Have you tried making it with the addition of baking soda to create the foamy-ness?5 stars

      Reply
      • Taryn says

        November 13, 2020 at 10:15 pm

        Not yet. LMK if you try!

        Reply
        • Melissa Jones says

          November 18, 2020 at 11:38 am

          Do you think Splenda would work in this recipe?

        • Taryn says

          November 18, 2020 at 3:25 pm

          No, I don't think so, sorry. I'd suggest looking for a recipe that calls for splenda if that is what you would like to use.

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