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    Home » Keto Brownies & Bars » Keto Mississippi Mud Bars

    Published: Jul 12, 2020 · Modified: Jan 12, 2021 by Carolyn

    Keto Mississippi Mud Bars

    This post may contain Amazon or other affiliate links. As an Amazon Associate I earn from qualifying purchases.

    6.7K shares
    Jump to Recipe Print Recipe

    Mississippi Mud Bars go keto and sugar-free. Rich brownie crust, keto marshmallows, and boiled cocoa frosting. This post is sponsored by Bob’s Red Mill.

    Titled image: close up shot of keto Mississippi Mud Bars with a bowl of marshmallows in the background.

    When it comest to baking, I may have a slight obsession with all things Southern. I have to take my hat off to these folks, because they know dessert. More specifically, they know over-the-top dessert.

    And I love over-the-top dessert. Especially when it’s keto friendly.

    I’ve ketofied so many Southern desserts, like my famous Keto Kentucky Butter Cake, Keto Caramel Cake, and of course that ultimate southern treat, Keto Pecan Pie.

    And now we’ve got a delicious keto version of Mississippi Mud Bars. Southern chocolatey happiness!

    What are Mississippi Mud Bars?

    You may have heard of Mississippi Mud Cake and Mississippi Mud Pie. There are so many variations of the Mississippi Mud theme. It’s often some sort of mash up of chocolatey flavours, with a brownie base, chocolate pudding, and whipped cream.

    How can you argue with that kind of deliciousness?

    The bars, sometimes called Mississippi Mud Brownies, usually feature a brownie base topped with mini marshmallows and pecans, and then a rich chocolate topping.

    Pouring chocolate frosting over keto Mississippi mud bars

    Creating a keto version

    Making over Mississippi Mud Bars to be keto friendly wasn’t a huge stretch. I used several recipes as a guide, most notably this one from Mel’s Kitchen Cafe.

    The brownie base was similar to my Fudgy Keto Brownies, with a few changes. One was to switch up the sweetener to a brown sugar substitute like Swerve.

    I also stayed true to the original by using milk (in this case, non-dairy milk), and adding more flour. And of course, my favourite keto flour for a recipe like this is Bob’s Red Mill almond flour. I know I can trust it to result in the best keto desserts.

    The base is then topped with marshmallows, and I used my own homemade Keto Marshmallows. But you do have at least one store-bought option. I got some Max Mallows in a Keto Krate recently, and they’d be great in these keto Mississippi Mud Bars.

    Then pour over the boiled cocoa frosting and let it set!

    Two Mississippi Mud Bars on a white plate over a teal napkin, with a bowl of marshmallows in the background.

    Tips for making Keto Mississippi Mud Bars

    You are going to have so much fun with these! But they do need some advance planning, especially if you want to make your own marshmallows.

    But it’s worth it, believe me. A few tips for getting these right:

    1. The brownie base will be very liquid as you pour it in the pan. Don’t panic about this. It takes a while to bake through but it results in a super fudgy base.
    2. I recommend letting the base cool a bit before adding the marshmallows. Keto marshmallows melt easily, and if you put them on right away, they melt and don’t hold their shape.
    3. You do need to boil the frosting to firm it up. Don’t add the sweetener until after the butter, cream, and cocoa powder have boiled. Erythritol based sweeteners will recrystallize more when cooked, so this will help keep it from becoming gritty.
    4. You need some patience too, as the bars need to set for a few hours to firm up.
    Two Mississippi Mud Bars on a white plate, with the pan of bars in the background

    Ready to make some deliciously chocolatey Keto Mississippi Mud Bars?

    Titled image: close up shot of keto Mississippi Mud Bars with a bowl of marshmallows in the background.

    Keto Mississippi Mud Bars

    Mississippi Mud Bars go keto and sugar-free. Rich brownie crust, keto marshmallows, and boiled cocoa frosting.
    5 from 9 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Keyword: Mississippi Mud Bars
    Prep Time: 15 minutes
    Cook Time: 35 minutes
    Chill Time: 2 hours
    Total Time: 50 minutes
    Servings: 16 bars
    Calories: 184kcal

    Ingredients

    Mud Bars

    • ½ cup butter
    • ½ cup unsweeted almond or hemp milk
    • ⅓ cup cocoa powder
    • 1 large egg
    • ½ teaspoon vanilla extract
    • 1 cup almond flour
    • ½ cup Swerve Brown
    • ½ teaspoon baking soda
    • 2 cups chopped keto marshmallows (about ½ batch)
    • ⅓ cup chopped toasted pecans

    Chocolate Frosting

    • 6 tablespoon butter
    • 6 tablespoon heavy whipping cream
    • ¼ cup cocoa powder
    • ½ teaspoon vanilla extract
    • ½ cup powdered Swerve Sweetener
    US Customary – Metric

    Instructions

    Mud Bars

    • Preheat the oven to 325F and grease a 9×9 square metal baking pan.
    • In a large saucepan over medium heat, combine the butter, almond milk, and cocoa powder, whisking frequently until the butter is melted and the cocoa powder is well mixed in.
    • Remove from heat and whisk in the egg and vanilla, then stir in the almond flour, sweetener, and baking soda.
    • Spread the batter in the prepared pan and bake 25 to 30 minutes, until just set. Remove and let cool about 10 minutes, then sprinkle with the chopped marshmallows and the toasted pecans.

    Chocolate Frosting

    • In a medium saucepan over medium, combine the butter, whipping cream, and cocoa powder. Bring to a boil and let cook 1 minute, whisking frequently so it doesn't boil over.
    • Remove from heat and whisk in the vanilla extract and the sweetener until smooth. Pour over the bars.
    • Refrigerate 1 to 2 hours to help set the chocolate before cutting into bars.
    Nutrition Facts
    Keto Mississippi Mud Bars
    Amount Per Serving (1 bar)
    Calories 184 Calories from Fat 155
    % Daily Value*
    Fat 17.2g26%
    Carbohydrates 4g1%
    Fiber 2.3g9%
    Protein 3.5g7%
    * Percent Daily Values are based on a 2000 calorie diet.
    6.7K shares

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    Nutritional Disclaimer

    Please note that I am not a medical or nutritional professional. I am simply recounting and sharing my own experiences on this blog. Nothing I express here should be taken as medical advice and you should consult with your doctor before starting any diet or exercise program. I provide nutritional information for my recipes simply as a courtesy to my readers. It is calculated using MacGourmet software and I remove erythritol from the final carb count and net carb count, as it does not affect my own blood glucose levels. I do my best to be as accurate as possible but you should independently calculate nutritional information on your own before relying on them. I expressly disclaim any and all liability of any kind with respect to any act or omission wholly or in part in reliance on anything contained in this website.

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      Recipe Rating




    1. Peg says

      July 21, 2021 at 4:41 pm

      5 stars
      Ok, so I didn’t add the marshmallows, not a big fan. But holy cow!!!! Fudge topped brownie? I sprinkled the nuts on top. Excellent! Another winner.

      Reply
    2. Aneice says

      November 06, 2020 at 9:26 pm

      5 stars
      Thank you Carolyn!! These Mississippi Mud bars are my new favorite dessert!! They turned out marvelous!!!

      Reply
    3. Annie says

      September 26, 2020 at 9:09 am

      5 stars
      These are delicious! Thanks for the recipe!

      Reply
    4. Erin says

      August 20, 2020 at 1:26 pm

      5 stars
      Thanks for all the tips, they really helped. The bars turned out amazing and taste even better 🙂

      Reply
    5. Allyson says

      August 20, 2020 at 12:15 pm

      5 stars
      This turned out soooo fantastic! Thank you for the easy recipe!!!

      Reply
    6. Laura Reese says

      August 20, 2020 at 12:10 pm

      5 stars
      You always have the best recipes, this one did not disappoint.

      Reply
    7. Sabrina says

      August 01, 2020 at 7:26 pm

      5 stars
      what a fun recipe I’m always interested in how creative the ingredient swaps are in keto recipes to make them work, impressive and thank you!

      Reply
    8. Joy Tomlinson says

      July 25, 2020 at 8:07 pm

      5 stars
      I wish I could give these Ten Stars!! They are that wonderful! They are so decadent and delicious! Everything I have had of yours has been delicious but these are the most amazing and my absolute favorite! They are so rich and chocolately. And this is also the first time that I have had your marshmallows, and they are so good and taste so much like traditional marshmallows. I just love them and cannot wait until this winter to have some in hot cocoa! Thank you so much for all of your hard work in creating such awesome recipes for us! ????

      Reply
      • Carolyn says

        July 26, 2020 at 8:33 am

        Thanks, Joy! So glad you liked it.

        Reply
    9. Berinart says

      July 14, 2020 at 12:25 pm

      Gud berinejšn!

      Reply
    10. Katg says

      July 12, 2020 at 8:41 am

      Not a fan of almond or hemp milk. Can I use reg milk?

      Reply
      • Javier López-Quiñones says

        July 19, 2020 at 2:08 pm

        5 stars
        Excellent Recipe, I added the suggested toasted Pecans as well as Walnuts. Also, I uses regular milk since I did not have hemp or almond milk

        Reply

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