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    Home » Uncategorized

    Peanut Butter Frosting Recipe - Keto Version

    Published: Mar 8, 2020 Last updated: Mar 11, 2022 by Shelby Law Ruttan · As an Amazon Associate I earn from qualifying purchases.

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    Low carb, sugar-free, creamy and delicious peanut butter frosting!
    Jump to Recipe

    This Keto Peanut Butter Frosting Recipe is made with just 4 ingredients. It is thick and creamy and full of peanut butter flavor. Perfect for frosting this Keto Mayonnaise Cake, or a loaf of your favorite Keto Banana Bread.

    Keto Peanut Butter Frosting Recipe on quick bread
    Keto Peanut Butter Frosting on Keto Banana Bread

    A keto version of my favorite frosting recipe

    While I have never been a huge frosting fan, I do have a few favorite flavors that I enjoy. I'm usually a little bit goes a long way kind of frosting eater. That is a good thing I guess, and it still carries over into my keto lifestyle.

    I am not a big sweets fan. But I do eat them once in a while and they have to be delicious for me to do so. Grumpy is the bigger sweet eater in our home. But, when I have a favorite sweet, I always want to find a way to make it keto like this Peanut Butter Frosting recipe.

    My favorite cupcake with peanut butter frosting that is not keto is this Peanut Butter and Jelly Cupcake with Peanut Butter Frosting. The frosting in that recipe is what made me want to make a keto frosting version.

    mixing the frosting in a bowl with a hand mixer

    The difference between frosting and icing

    Today's recipe is for frosting. Frosting is normally thick and spreadable. Where icing is usually thin and pourable and will glaze a baked good.

    The only difference in making frosting vs icing, however, is the ratio of liquid to solid ingredients. More liquid will give you an icing. Less liquid will make it a spreadable frosting.

    What you need to make this Peanut Butter Frosting recipe

    Peanut Butter: Buy all-natural peanut butter with no added sweetener. I do like the salted version better than the unsalted, but you can use either. I like to use this brand, as it doesn't separate as much as other peanut kinds of butter.

    Powdered Sweetener: This brand is my choice of powdered sweetener. I prefer this because it does not leave an aftertaste on my tongue.

    Heavy Cream

    Pure Vanilla Extract

    Electric Hand Mixer

    How to make the best frosting

    • Sift the powdered sweetener to make sure you have removed any lumps.
    • Make sure you are using a powdered sweetener. Anything other than powdered will give you a grainy frosting.
    • Add the heavy cream a tablespoon at a time. Use more or less cream to achieve the desired consistency.
    • Scrape the sides of the mixing bowl to be sure you get all of the ingredients incorporated.
    • If the peanut butter seems too cold, even at room temperature, give it a few seconds in the microwave to warm it up and make it easier to blend.

    Troubleshooting for a sugar-free frosting recipe

    If you are noticing that your frosting thickens up fast, then you are not alone. This is one of the first things I noticed when I switched to making sugar free frostings and icings.

    I found that I could use the 1:1 ratio for powdered sweetener, meaning 1 cup of regular powdered sugar to 1 cup of powdered sweetener. However, when I tried to add liquid, it seemed to thicken faster and I needed more liquid to thin the frosting to the spreadable consistency I wanted.

    This could be because of two things. First, the sweetener is a different composition. It's not sugar. Sugar melts and dissolves faster than a sweetener.

    The other reason could be because I am using heavy cream. Heavy cream IS a thickener. The more you whip it, the stiffer it gets. This is all assumption on my part.

    How do you solve this issue? It's easy. Just continue to add a little bit more cream to the frosting until you have reached the consistency you want. If you use a different type of powdered sweetener, you may need more or less cream than I used.

    Peanut Butter Frosting on Keto Mayonnaise Cake
    Peanut Butter Frosting on Keto Mayonnaise Cake

    I refrigerated my frosting and now it is too firm

    This will happen with sugar-free and regular frostings. The best thing to do here is to bring the frosting to room temperature. Once it is at room temperature if it is still too firm to spread, mix in a little bit of heavy cream to thin it out some. Then proceed to use as desired.

    Can I freeze this Peanut Butter Frosting Recipe?

    Yes, you can. However, I don't see a real need to freeze frosting. If you are making this peanut butter frosting recipe, it is likely you are making it to use immediately. If you do freeze the frosting, then bring it to room temperature and proceed with instructions on how to thin the frosting if needed.

    Peanut Butter Frosting on Keto Banana Bread

    How to use this recipe

    Make this Strawberry Rhubarb Cookies and swap out the rhubarb filling for the peanut butter frosting. Drizzle the top of the cookie with some melted sugar-free chocolate.

    Make these Keto Coconut Cupcakes and top them with the peanut butter frosting.

    Spread some Peanut Butter Frosting on this Microwave Keto Mayonnaise Cake when it is still warm!

    Warm the frosting up in the microwave until it is hot enough to drizzle over these Keto Pancakes or Keto Dutch Baby.

    *If you made this Keto Peanut Butter Frosting Recipe, Please give it a star rating*

    Peanut Butter Frosting

    Shelby Law Ruttan
    Low carb, sugar-free, creamy and delicious peanut butter frosting!
    4.67 from 9 votes
    Print Recipe Pin Recipe Save Go to Collections
    Prep Time 7 mins
    Total Time 7 mins
    Course Desserts
    Cuisine American
    Servings 1 -½ cups
    Calories 81 kcal

    As an Amazon Associate I earn from qualifying purchases.

    Ingredients
      

    • ½ cup peanut butter
    • 1 cup powdered monkfruit
    • 4 tablespoons heavy cream
    • 1 teaspoon vanilla extract

    Instructions
     

    • In a large mixing bowl combine peanut butter and powdered sweetener.
    • Add 1 tablespoon of heavy cream and vanilla extract. Mix until combined.
    • Add remaining heavy cream, 1 tablespoon at a time, until frosting is smooth and spreadable.
    • Use to frost your favorite sugar-free cakes or cupcakes.

    Video

    Notes

    This recipe makes enough frosting to frost 1 (9x9) cake, 12 cupcakes, or a loaf of banana bread.

    Nutrition

    Serving: 1gCalories: 81kcalCarbohydrates: 3gProtein: 3gFat: 7gSaturated Fat: 2gPolyunsaturated Fat: 4gCholesterol: 6mgSodium: 53mgFiber: 1gSugar: 1g
    Keyword Low Carb Peanut Butter Frosting, Sugar Free Peanut Butter Frosting
    Tried this recipe?Mention @grumpyshoneybunch or tag #grumpyshoneybunch!

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    About Shelby Law Ruttan

    Shelby is the author/owner of Grumpy's Honeybunch. Established in 2007, she shares and preserves family recipes as well as recipes for cooking light and keto. She has authored the One-Pot Paleo Cookbook and The Pescatarian Keto Cookbook. She is an experienced, self-taught home cook who loves to share recipes with others. She also authors the websites Honeybunch Hunts and The Best Vegetarian Recipes. You can see her work on websites such as Veal Made Easy, Parade, Community Table, SoFab Food, Yummly, and FoodGawker.

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    Comments

    1. Wendy

      August 28, 2022 at 7:21 pm

      5 stars
      Absolutely delicious!!! I made as written, and added an extra tablespoon of heavy whipping cream. One recipe was enough to nicely frost two 8 x 8 pans of keto brownies. Always the perfect combination, chocolate and peanut butter!!! Thank you!!

      Reply

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    Welcome! I'm Shelby Law Ruttan, author and content creator at Grumpy's Honeybunch. She is self taught in the kitchen and has been sharing keto low carb recipes and family recipes since 2007.

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    90 shares