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Low Carb Peanut Butter Fudge

December 6, 2018 By Sarah Hardy 48 Comments

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This rich low carb peanut butter fudge is easy, tastes delicious, and no-one will no it is sugar free (and only 2 ingredients)!

With only two ingredients and 2 net carbs per serving, this peanut butter fudge recipe will have you out of the kitchen and spending time with your family in no time!

This rich low carb peanut butter fudge is easy, tastes delicious, and no-one will no it is sugar free (and only 2 ingredients)! #trimhealthymama #lowcarb #keto #peanutbutterfudge #lowcarbpeanutbutterfudge #christmasrecipes #peanutbutterfudge #peanutbutter #sugarfreefudge #sugarfree

Fudge has always been a special tradition in my home, but this fudge is low carb, sugar free, and can be enjoyed as a Trim Healthy Mama S Fuel!

Growing up, our neighbor would bring us beautiful little Christmas tins filled with two different kinds of fudge – chocolate and peanut butter.

Back then, I would have been hard pressed to say which flavor was my favorite, but now I would definitely say peanut butter!

My 2 Ingredient Chocolate Fudge has been such a popular post, that I knew you guys needed to have a peanut butter option as well!

This rich low carb peanut butter fudge is easy, tastes delicious, and no-one will no it is sugar free (and only 2 ingredients)! #trimhealthymama #lowcarb #keto #peanutbutterfudge #lowcarbpeanutbutterfudge #christmasrecipes #peanutbutterfudge #peanutbutter #sugarfreefudge #sugarfree

How to Make Low Carb Peanut Butter Fudge

All you need some of my Low Carb Sweetened Condensed Milk and natural peanut butter. Really! How much easier can it get?

(Please note that the 3 Ingredient Sweetened Condensed milk is sugar free and low carb.)

But I have a confession to make. This recipe is 2 ingredient ONLY if you already have the condensed milk already made.

But really, you should always have a jar of that in your fridge! That sweetened condensed milk recipe has been life changing for me! (Well, . . . that may be a bit of a stretch, but it is REALLY good!)

If you make the Low Carb Sweetened Condensed Milk ahead of time and store it in the refrigerator, it will harden and become firm.

To make the peanut butter fudge, simply remove the condensed milk from the refrigerator and nuke it in the microwave for about 10 seconds, then give it a good stir.

Then place the desired amount of condensed milk into a bowl, add the natural peanut butter and mix well.

Then pour the fudge mixture into the desired container, and place in the freezer to firm.

This rich low carb peanut butter fudge is easy, tastes delicious, and no-one will no it is sugar free (and only 2 ingredients)! #trimhealthymama #lowcarb #keto #peanutbutterfudge #lowcarbpeanutbutterfudge #christmasrecipes #peanutbutterfudge #peanutbutter #sugarfreefudge #sugarfree

How to Store Low Carb Peanut Butter Fudge

This fudge is a little more of a soft set than the chocolate variety, but I think it is much more creamy.

I put the fudge in the freezer (or on my front porch – we can do that in Montana) to harden initially, but I usually store it in the refrigerator.

You do not want to leave it out at room temperature, because it will completely soften and become gooey.

Substitutions in Keto Peanut Butter Fudge

If peanut allergies are a concern, I believe you could use almond butter or Sunbutter to replace the peanut butter (using equal amounts).

You could also make this peanut butter fudge dairy free by using my Dairy Free Sweetened Condensed Milk in place of the regular sweetened condensed milk recipe.

I use the Adams brand of natural peanut butter (the no-stir variety). You can see which kind I use by clicking here.

I would never be ashamed to take this keto peanut butter fudge to a party or give it away as a gift!

I won’t even tell you how many pieces I ate while I was photographing this post!

I even had a piece or two as a dessert to my breakfast this morning! (Is that what you call balance??)

This rich low carb peanut butter fudge is easy, tastes delicious, and no-one will no it is sugar free (and only 2 ingredients)! #trimhealthymama #lowcarb #keto #peanutbutterfudge #lowcarbpeanutbutterfudge #christmasrecipes #peanutbutterfudge #peanutbutter #sugarfreefudge #sugarfree

More Low Carb Fudge Recipes

The good news is that you don’t have to limit yourself to Peanut Butter Fudge. There are many more fudge recipes here on the blog, so be sure to check them out (all of them are low carb and sugar free)!

2 Ingredient Chocolate Fudge

Only 2 Ingredients, and you have rich, velvety, chocolate fudge – but without any guilt!

Chocolate Peanut Butter Fudge

Creamy chocolate fudge topped with a creamy peanut butter layer – it’s the best of both!

“Mounds” Fudge

Creamy chocolate fudge with a dreamy layer of coconut. This fudge is reminiscent of what used to be one of my favorite candy bars – the Mounds bar.

Coconut Cream Fudge Bars

These dreamy DIY protein bars taste like creamy coconut fudge!

Chocolate Peanut Butter Collagen Fudge

Chocolate, Peanut Butter and an amazing superfood – collagen. All combined together to make a delicious and healthy fudge recipe!

No-Bake Collagen Fudge Bars

The flavors of a favorite no-bake cookie, but with all the added benefits of collagen and coconut oil!

All of the recipes above are no-bake, which means you can save your oven for cookies (like these Soft Gingersnap Cookies).

This rich low carb peanut butter fudge is easy, tastes delicious, and no-one will no it is sugar free (and only 2 ingredients)! #trimhealthymama #lowcarb #keto #peanutbutterfudge #lowcarbpeanutbutterfudge #christmasrecipes #peanutbutterfudge #peanutbutter #sugarfreefudge #sugarfree

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Low Carb Peanut Butter Fudge

This rich low carb peanut butter fudge is easy, tastes delicious, and no-one will no it is sugar free (and only 2 ingredients)! #trimhealthymama #lowcarb #keto #peanutbutterfudge #lowcarbpeanutbutterfudge #christmasrecipes #peanutbutterfudge #peanutbutter #sugarfreefudge #sugarfree

You only need 2 simple ingredients to make this low carb peanut butter fudge!

Ingredients

  • 1 Cup Homemade Low Carb Sugar Free Sweetened Condensed Milk
  • 3/4 Cup Natural No Sugar Added Peanut Butter

Instructions

    Combine warm sweetened condensed milk with peanut butter and stir until all is combined.

    Pour into a Silicone Pan or an 8x8 glass pan lined with parchment paper. I used this Silicone Mini Loaf Pan and filled two of the cavities.

    Refrigerate or freeze until firm.

    Cut into pieces (yields 25-36 pieces, depending on how you cut them) then store leftovers in the refrigerator.

Notes

Did you make this recipe?

Share a picture and tag @my_montana_kitchen_thm!

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Reader Interactions

Comments

  1. Georgina

    December 2, 2016 at 8:13 am

    This looks so good! And very easy!

    Reply
  2. Maya | Wholesome Yum

    December 2, 2016 at 9:59 am

    I love how simple this recipe is! I’ve never tried peanut butter fudge before but I have no excuse now!

    Reply
  3. Jody B.

    December 2, 2016 at 12:10 pm

    How many pieces can we have?

    Reply
    • dsdjhardy

      December 2, 2016 at 2:10 pm

      I usually have a couple at a time. 🙂

      Reply
  4. STACEY

    December 3, 2016 at 9:10 am

    PB Fudge sounds like a must try. So simple too 🙂

    Reply
  5. Kim | Low Carb Maven

    December 3, 2016 at 11:53 am

    Fudge! Fudge! Fudge! I love how simple this recipe is, Sarah. My mother made wonderful peanut butter fudge that I haven’t had in 30 years. Who knew it could be so simple. Thanks.

    Reply
  6. Katrin

    December 5, 2016 at 4:22 am

    This is so easy, how brilliant. Definitely a must try.

    Reply
  7. Looky-loo

    December 9, 2016 at 9:33 pm

    This is literally one of the best things I’ve ever tasted. Unbelievable!! The peanut butter taste is just so bright and sharp. Thank you. I ❤️ keto!

    Reply
  8. Karen

    December 11, 2016 at 10:38 am

    I’ve been on low carb since March! This is the first desert I e made that is really satisfying:) Love it. Thank you.

    Reply
  9. Patricia Rockhill

    March 2, 2017 at 12:40 pm

    What is meant by one recipe of the condensed milk?
    One cup? One can?

    Reply
    • dsdjhardy

      March 2, 2017 at 10:26 pm

      The condensed milk recipe is linked in the recipe card. You should use the entire amount in the fudge. It equals about 1 cup.

      Reply
      • Debbie

        March 14, 2017 at 9:40 am

        On a previous post you said the SCM recipe equals about 1 1/4 cup. Does it make a big difference if it’s more than a cup?

        Reply
        • dsdjhardy

          March 14, 2017 at 9:55 am

          No, I don’t think the 1/4 cup will make that big of a difference in the fudge recipes.

          Reply
  10. Rachel

    August 16, 2017 at 2:34 pm

    This was amazing, whole family lived it, thanks!!!

    Reply
  11. Erika

    November 7, 2017 at 6:28 pm

    So I️ made the condensed milk but used 1/2 cup for the Two Ingtedient Chocolate Fudge. So now I’m not sure how much peanut butter I should use for the remainder? ? I think I have approx 3/4 to 1 cup left. Thanks for your help!

    Reply
    • Sarah Hardy

      November 7, 2017 at 7:44 pm

      I would probably use 1/3 cup of peanut butter. 🙂

      Reply
      • Erika Hayslip

        November 19, 2017 at 5:07 pm

        Thanks! Trying it tonight!

        Reply
  12. Mona

    December 4, 2017 at 6:35 pm

    Hi,
    I made the fudge but it doesnt get hard.
    What did i do wrong?
    Thanks

    Reply
    • Sarah Hardy

      December 4, 2017 at 10:29 pm

      This fudge never does get completely solid (like fudge made with chocolate chips). It is much softer, I recommend keeping it in the refrigerator or even freezer for best results.

      Reply
  13. Karen

    December 20, 2017 at 9:11 pm

    Can I put this in a silicon mold like the chocolate fudge to make smaller shapes? I’d like to then dip them in the 2 ingredient fudge (before it hardens) to make buckeyes.

    Reply
    • Sarah Hardy

      December 23, 2017 at 9:59 pm

      Yes, that would be awesome!

      Reply
  14. Evelyn

    December 21, 2017 at 7:41 pm

    Hi, Can I use your 2 ingredient condensed milk, instead of your 3 ingrdient version? Thanks as always for your wonderful recipes!!

    Reply
    • Sarah Hardy

      December 23, 2017 at 9:58 pm

      Yes, Absolutely!

      Reply
  15. Jerri

    December 22, 2017 at 8:19 pm

    Can this be made with the 2 ingredient condensed milk?

    Reply
    • Sarah Hardy

      December 23, 2017 at 9:56 pm

      Yes!

      Reply
  16. Jocelyn Barr

    January 20, 2018 at 2:33 pm

    My “milk” separated as soon as i added the peanut butter to it and started stirring it. My pan of fudge has an oil layer on top. Did i do something wrong?

    Reply
    • Sarah Hardy

      January 20, 2018 at 5:45 pm

      No, that appears to happen at times, but I have never found that it affects the flavor. I would try to stir it well with a whisk to see if that helps.

      Reply
  17. Virginia

    February 12, 2018 at 8:32 am

    5 stars
    I may just not be seeing it but do you have the carb, fat, protein totals for this? I made it and it is yummy. Thanks.

    Reply
    • Virginia

      February 12, 2018 at 9:11 am

      I figured out my question so need to answer you can remove it. Thanks

      Reply
    • Sarah Hardy

      February 12, 2018 at 10:06 am

      I’m sorry, this recipe was published before I started adding macros to my recipes.

      Reply
      • Trey Poston

        April 30, 2019 at 11:41 pm

        Why can I not find the recipes just a bunch of writing about the recipes

        Reply
        • Sarah Hardy

          May 2, 2019 at 10:31 pm

          Hi Trey, the recipes are always at the very bottom of the post.

          Reply
  18. Amy

    February 22, 2018 at 7:35 pm

    5 stars
    Ok, well I am doing this the Whole Foods trim healthy mama style plan. What do you think is the minimum amount of coconut sugar or honey I can put in this? If you had to guess. Thanks so much!

    Reply
    • Sarah Hardy

      February 23, 2018 at 6:54 am

      I would say probably 1/3 to 1/2 cup coconut sugar could be used to sweeten the “Sweetened Condensed Milk” for this recipe. However, I have never tried it, so I’m not 100% sure. 🙂

      Reply
    • Audria

      March 8, 2018 at 1:26 pm

      Did you try the coconut sugar and how did it turn out?

      Reply
  19. Tara

    July 16, 2018 at 2:42 pm

    5 stars
    As the wife of a type 2 diabetic and a mom of a type 1, I love that you have low carb fudge recipes! That is one thing my guys have always missed being able to have at Christmas. This year, they’re getting a special treat. Thank you so much!!

    Reply
  20. Bryan

    December 6, 2018 at 8:17 pm

    5 stars
    Simple and easy recipes are my favorite recipes! I can’t wait to give this recipe a try, thank you!

    Reply
  21. Wendy

    December 10, 2018 at 10:17 am

    5 stars
    So yummy! We make many different kids of fudge during the holidays and it makes easy gifts. The peanut butter is divine!

    Reply
  22. Michelle

    December 10, 2018 at 4:25 pm

    5 stars
    Can you make your own peanut butter to use or do you have to use Adams?

    Reply
    • Sarah Hardy

      December 11, 2018 at 10:06 pm

      The Adams brand truly works the best – I’ve tried it with others and they did not yield the same results.

      Reply
  23. Dawn - Girl Heart Food

    December 11, 2018 at 5:49 am

    5 stars
    This looks so yummy! And so perfect for a homemade foodie gift! Plus, 2 ingredients? Can’t get much easier 🙂

    Reply
  24. Cheryl Miller

    February 20, 2019 at 1:44 pm

    I was just thinking about the peanut biutter fudge and my first time making it I used a freshly ground peanut butter from our local Amish bulk food store and it was really oily. So I had thought…how would using 1/2 peanut butter and 1/2 peanut flour work?
    Sara Montana, have you ever tried peanut flour in fudge with SCM? Probabley have to add more gentle sweet too.

    Reply
    • Sarah Hardy

      February 20, 2019 at 9:38 pm

      I have not tried that, but I think a 3/4 to 1/4 ratio would probably work!

      Reply
  25. Dena Marie Mixon

    December 4, 2020 at 7:21 am

    ADD a sprinkle of SALT on top!
    So yummy! I made this for the first time yesterday and only had enough PB to make about a 2/3 recipe. I also used Pyure and did not put quit enough in. (It was not sweet enough for me.) So….I had an idea and added a shake of mineral salt on top. Oh my goodness! So good! Thanks for the easy recipe! My husband loved it!

    Reply

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