3-Ingredient Sugar-Free Peanut Butter Cookies

Hello all! Welcome back to Firefighter Friday!


A lot of the firemen my husband works with are on the paleo diet, so I’ll be incorporating more of these type of recipes into my Friday posts….beginning with today’s delicious cookies….


….these babies are not only gluten-free and grain-free, but they are SUGAR-FREE!….


…I actually didn’t know if this recipe would work structurally, technically, aesthetically, or palatably….but it did….

3-Ingredient Sugar-Free Peanut Butter Cookies
Prep time
Cook time
Total time
Recipe type: Sweets
Serves: 10
  • ½ c. cold peanut butter (I used salted), I find that crunchy works best, but creamy works as well (to make these paleo, use almond butter)
  • 4 T. mashed banana, DON'T use any more or they won't bake correctly
  • ⅛-1/4 t. nutmeg, freshly grated (I love nutmeg, so I use the higher amount)
  • splash vanilla, optional
  • ⅛ t. salt (a bit more if you used unsalted peanut or almond butter)
  1. Preheat the oven to 340 degrees.
  2. Mix all of the ingredients together until combined.
  3. Be aware that the higher amount of banana will make the cookie a bit chewier (but sweeter), while the lower amount will give the cookie more crispy edges.
  4. Put spoonfuls of batter down (I get about 10 cookies) on an oiled cookie sheet.
  5. Bake for approximately 11 minutes (cookies should be firm to the touch).
  6. Let them cool for 5-10 minutes before removing them from the cookie sheet (this gives them time to set).
  7. Enjoy!
Weight Watchers points (using the new system): 2
Nutrition Information
Serving size: 10 Calories: 81 Fat: 6.5 g Saturated fat: 1.4 g Unsaturated fat: 0 Trans fat: 0 Carbohydrates: 3.7 g Sugar: 1.8 g Sodium: 90 mg Fiber: 0.9 g Protein: 3.3 g Cholesterol: 0

Please note the new recipe format….all of the nutritional information (as well as Weight Watchers points) is located at the bottom of the recipe box.


These really are a healthy and tasty way to get a cookie fix, but please be aware that they are NOT the sweetest cookie. If you’d like to add a touch more sweetness, you can add a bit of stevia to the batter.

The nutmeg is a delicious addition that compliments the flavor nicely!….and these are suitable for all tastes including vegan, gluten-free, candida-friendly, grain-free, and paleo (if using the almond butter).

I hope you all are enjoying reading (and possibly trying) these recipes as much as I’m enjoying making and posting them.

Have a happy weekend!

Shared with: Allergy Free Wednesday, Wheat-Free Wednesday, Gluten-Free Friday

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Comments: 64

  1. Gabby @ the veggie nook January 4, 2013 at 7:10 am Reply

    yum they look amazing!

    my naturopath has me on a diet that has me avoiding bananas- do you think applesauce would work?
    Gabby @ the veggie nook recently posted..rich nature product review, a chocolate-covered goji berry green smoothie and a discount offer!My Profile

    • Lauren January 4, 2013 at 8:14 am Reply

      Hi Gabby! I’m not sure because applesauce has a higher water content. You might try apple butter or even pumpkin and add a bit of stevia if you’re able…or maybe you can cook the applesauce down a bit? In my pumpkin fudge, I simmered the pumpkin to dry it out a bit, and it became thicker. Let me know if you try anything out! :-)

  2. Alex @ therunwithin January 4, 2013 at 8:19 am Reply

    I love nutmeg as a spice, just makes me drool!
    Alex @ therunwithin recently posted..Always Aim SmallerMy Profile

    • Lauren January 4, 2013 at 8:53 am Reply

      Haha, I’m with you!

  3. Marya@PartTimeHealthNut.com January 4, 2013 at 10:18 am Reply

    Love the new recipe format. I’d like to use something like that but I’m not self-hosting yet. And oh my gosh, I just noticed that these cookies have no flour at all in them! Love that! Wow, they are really low in calories too, eh? Two thumbs up on the no sugar series. Lots of inspiration here.
    Marya@PartTimeHealthNut.com recently posted..Winter Rainbow SlawMy Profile

    • Lauren January 4, 2013 at 5:41 pm Reply

      Thank you so much Marya! It’s tough to go sugar-free, but I think it’ll be worth it. I’m still at the point though where I just want a huge piece of dark chocolate. :-)

  4. Christal January 4, 2013 at 11:28 am Reply

    These look wonderful! Simple and healthy – just what I like! :)
    Christal recently posted..Moroccan Spiced Sprouted Grain & Prawn Salad …and Challenge Update #1!My Profile

    • Lauren January 4, 2013 at 5:43 pm Reply

      Thanks girl! :-)

  5. jodye @ chocolate and chou fleur January 5, 2013 at 9:07 am Reply

    What ann awesome recipe! So simple, and the peanut butter and banana combo has never failed me. I’m a big fan of the no sugar recipes – I get my fill with fruit, and probably too many dates (but they’re just so good!)
    jodye @ chocolate and chou fleur recently posted..Salted Chocolate Sunflower Seed ButterMy Profile

    • Lauren January 5, 2013 at 5:49 pm Reply

      Thanks Jodye! It’s been tough for me, but I feel like it’s worth it to kind of reset my taste buds. :-)

  6. Christabel January 5, 2013 at 5:09 pm Reply

    Starting Monday, I will be going on a 21 day cleanse from processed foods and refined sugars, so this recipe will definitely be used when I am craving something sweet. You have no idea how hard it has been to find desserts to fit in with my cleanse, but do not contain flour, or sugar, but are delicious. This fits the bill, and it’s extremely healthy too! Cannot wait to bake this : )
    Christabel recently posted..Pears Galore: Pear Pudding & Brown Butter Spiced Pear MuffinsMy Profile

    • Lauren January 5, 2013 at 5:49 pm Reply

      That’s awesome! Come back and visit me…I’m doing sugar-free recipes all month! :-)

  7. amber January 15, 2013 at 2:07 pm Reply

    Wow! These are too good to be true. Makes me wish I was not allergic to peanut butter. I always love checking out your creative recipes, Lauren. This was a reader favorite this week on AFW! Great job.


    • Lauren January 15, 2013 at 2:24 pm Reply

      Thanks Amber! Just so you know, you could sub other nut butters for the peanut butter… Have a great day! :-)

  8. Ruth January 15, 2013 at 11:11 pm Reply

    I’d love to see sugar-free meringues. I’ve tried a few times – unsuccessfully! These cookies look a great idea. Thanks

    • Lauren January 16, 2013 at 9:16 am Reply

      That’s a great idea! I’ll see what I can do! :-)

  9. Becky January 16, 2013 at 7:34 am Reply

    These look awesome. Question: can they be paleo when they contain peanut butter? I thought paleo foodists did not eat legumes. (Makes no difference to me, I am just curious.)

    • Lauren January 16, 2013 at 9:12 am Reply

      Hi Becky! I believe I was thinking that the peanut butter could be subbed for almond butter….you’re right though, it’s misleading, and I’ll change it! :-)

  10. Kinzie January 31, 2013 at 5:49 am Reply

    As info… I saw a recipe for sugar-free meringues somewhere on the web using egg whites and maple syrup. But that they don’t “hold” long… so they need to be eaten within a few hours. Not something you could make far in advance for a gathering, for instance.

    I need to make these cookies. Today. :)

    But why does it say three-ingredient when there are five? The nutmeg and vanilla are optional?

    • Lauren January 31, 2013 at 7:52 am Reply

      Haha, it is a bit misleading, I admit. The vanilla is optional. The salt is a ‘freebie’ according to ingredient guru Claire Robinson. The mandatory ingredients are the pb, banana, and nutmeg. If you’re using salted pb, you may not even need the additional salt, but I am a salt fiend, so I always add extra. I hope you enjoy them! :)

  11. Bonnie February 2, 2013 at 6:00 pm Reply

    I just made these and they did not turn out at all. I baked them for 11 minutes and they were totally soggy so I threw them back in for another 5 minutes. Still not good after cooling them. So they are in again…..

    • Lauren February 2, 2013 at 11:14 pm Reply

      I’m so sorry they didn’t work for you. I had the same problem when I added too much banana. Did you stay within 4-5 tablespoons of mashed banana? I found that over 5 tablespoons was when they started to not cook. The pictures are of my good batches, so they do work! I also used a natural peanut butter. I hope you were able to salvage them after a longer cooking time.

  12. Helen February 24, 2013 at 10:06 am Reply

    Hi! I just these but added GF oatmeal and raisins. substituted pb with almond butter, and baked it at 350 for 14 mins and they’ve turned out wonderful!! :) definitely baking this again! thanks for the recipe!

  13. Helen February 24, 2013 at 10:10 am Reply

    Just tried this out and it was great! substituted PB with almond butter; added GF oatmeal and some raisins. Baked for 15 mins at 350. Turned out like a cookie and less like the pb wafer, but still delicious :D thanks for the recipe!

    • Lauren February 24, 2013 at 10:16 am Reply

      Awesome! Thanks so much for letting me know. :-)

  14. Sharon S April 12, 2013 at 9:53 pm Reply

    These are amazing! I am on a cleansing diet from 7 foods including gluten, peanuts, eggs, dairy and sugar. Was looking for a sweet recipe that had none of the above, not easy! I substituted cashew butter for the peanut butter. I am so happy I found your site! :)

    • Lauren April 13, 2013 at 9:17 am Reply

      Yay! I’m so happy to have you, and that the cookies worked out. :-D

  15. amy April 30, 2013 at 11:29 am Reply

    could i add oatmeal to these without messing them up too much? would i need to add a bit more PB for viscosity?

    • Lauren April 30, 2013 at 4:58 pm Reply

      Hi Amy,
      There was another commenter that did the same thing, and she said they turned out great! I would just start out with a small amount so that it doesn’t become too thick, but I think it would work out really well! :-)

  16. GLUTEN FREE! | Pearltrees May 6, 2013 at 6:08 am Reply

    […] 3-Ingredient Sugar-Free Peanut Butter Cookies | Oatmeal with a Fork […]

  17. […] Nutrition Information Serving size: 10 Calories: 81 Fat: 6.5 g Saturated fat: 1.4 g Unsaturated fat: 0 Trans fat: 0 Carbohydrates: 3.7 g Sugar: 1.8 g Sodium: 90 mg Fiber: 0.9 g Protein: 3.3 g Cholesterol: 0 Credit: http://www.oatmealwithafork.com/2013/01/04/3-ingredient-sugar-free-peanut-butter-cookies/ […]

  18. Ebony June 18, 2013 at 12:38 pm Reply

    These are awesome!!! I’ve been looking for something sweet and natural and they worked out great! And my kids LOVE them!!! I used almond butter, doubled the ingredients, placed in a muffin pan, and baked an additional 4 minutes. Thanks SO much for posting this recipe! We’re Paleo-ish, clean eaters (non-GMO’s) and good tasting, kid-approved recipes are difficult to find! I have one child with Autism and the other has ADD. They have opposite texture/sensory preferences but they both LOVED their new, naturally simple “banana nut muffins!”

    • Lauren June 18, 2013 at 4:52 pm Reply

      Thanks Ebony! I love your changes! :-D

  19. Mandy July 8, 2013 at 10:02 am Reply

    These were really great frozen! I just used the banana, peanut butter and vanilla :)

    • Lauren July 8, 2013 at 1:07 pm Reply

      Yay! I love frozen cookies too. :-D

  20. […] I actually didn’t know if this recipe would work structurally, technically, aesthetically, or palatably….but it did….  […]

  21. Cyndy July 24, 2013 at 1:48 pm Reply

    I can’t use fruit. What substitute could I use?

    • Lauren July 24, 2013 at 1:58 pm Reply

      You may want to find another recipe that uses sugar or another sweetener. I don’t have any other suggestions here that wouldn’t be fruit.

    • Lisa September 7, 2013 at 10:45 am Reply

      I would recommend trying sweet potato. I always roast several at once, and throw them in the fridge for lots of uses. You could cut some off a cold one and try that!
      Lisa recently posted..Now You Can Buy Yummy Yammy on Amazon.com!My Profile

  22. LG August 13, 2013 at 2:19 pm Reply

    I followed this recipe to the letter, tried twice, both
    turned out crumbly and tasted pretty awful. I was really hoping
    they would turn out :(

    • Lauren August 13, 2013 at 3:08 pm Reply

      How interesting! I just made a batch for my daughter today, and they turned out great! As far as taste goes, it’s obviously not going to be as good as a sugar-sweetened cookie, but they make great snacks. The little bit of banana is just enough for me, but you can always add a bit of stevia if you like. Sorry it didn’t work out for you!

      • LG August 13, 2013 at 7:32 pm Reply

        Thanks for your reply :) I actually did use cold peanut butter
        I had been storing it in the fridge. I think for me it was the salt,
        not the lack of sugar that was a turn off. I’m going to try it with
        unsalted peanut butter next time. I bet cacao powder or nibs
        would be nice in it, too.

    • Lauren August 13, 2013 at 3:19 pm Reply

      I just wanted to tell you as well (and I made these changes to the recipe today) that 1) it works best if your peanut butter is cold, and 2) let the cookies sit for 5-10 minutes on the cookie sheet after they come out of the oven. Happy baking!

  23. Destiny August 27, 2013 at 8:41 am Reply

    These look really good, but how are they only 10 calories? there are 8 tablespoons of peanut butter here, which is 800 calories. divided by 11 would be 72.

    • Lauren August 27, 2013 at 12:55 pm Reply

      They are actually 81 calories each if you make 10 cookies.

      • Destiny August 27, 2013 at 1:08 pm Reply

        Oh okay, it says 10 up top :P

  24. Captain Obvious September 23, 2013 at 12:15 am Reply

    One question: Am I the only person to notice that this “3 ingredient cookie” recipe has 5 ingredients? Even if you take out the “optional” vanilla, that still leaves 4.
    I’m not knocking the recipe, just food for thought.

    • Lauren September 23, 2013 at 7:00 am Reply

      Hello there Captain Obvious,

      Salt is what is considered a ‘freebie’ in recipes, so there are in fact only three essential ingredients here.

  25. Lis December 7, 2013 at 6:19 pm Reply

    Glad I found this recipe! My grandmother has been asking me for a while now to make her some sugar free peanut butter cookies so this is perfect for her
    Lis recently posted..Moroccan-Spiced Quinoa with Roasted Broccoli and Chickpeas (Vegan, Gluten-Free)My Profile

  26. Alice December 18, 2013 at 4:18 pm Reply

    I just made thsese & am please toy surprised how satisfying they were. Do they need refrigeration though?

    • Lauren December 18, 2013 at 4:55 pm Reply

      Hi Alice,

      I’m so happy you enjoyed them! I would keep them refrigerated just to be on the safe side. :-)

  27. Lisa Inlow January 9, 2014 at 1:46 pm Reply

    Just wondered if you think these cookies would survive traveling from Oregon to Minnesota by mail? I have a friend there who is dealing with cancer and she requested peanut butter cookies and sugar cookies (thinking of using your no sugar peanut butter cookie and low sugar sugar cookie recipe. Since cancer thrives on sugar I want sugar content as low as possible but still want yummy cookies) Thinking of putting sprinkles on top of the sugar cookies prior to baking since I don’t think frosting would survive the trip.

    • Lauren January 9, 2014 at 2:13 pm Reply

      Hi Lisa,

      I’m so sorry for your friend, but how nice of you to want to help. I think they would last, but I can’t be certain. Perhaps wrap each one individually for better protection? I hope it all works out, and let me know if you have any other questions! :)

    • Lauren January 9, 2014 at 2:14 pm Reply

      Another thought is that you could package the frosting separately and let her frost them?

  28. Lisa Inlow January 9, 2014 at 2:37 pm Reply

    Do you think your sugarfree frosting would be ok unrefrigerated if I made it up and put in in a double layer of Ziploc bags so it wouldn’t leak and ruin the cookies? That way she could frost them once they arrived :-)

    • Lauren January 9, 2014 at 2:44 pm Reply

      Yes, I think so. I would just advise her to refrigerate the frosting for about 30 minute before using it. Otherwise, it may be a bit too ‘drippy’. :-)

  29. Lisa Inlow January 9, 2014 at 3:09 pm Reply

    Geat idea, I’ll give it a whirl :-)

  30. sami waldner May 15, 2014 at 10:48 am Reply

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  31. sami waldner May 15, 2014 at 10:49 am Reply

    can i use ginger instead thats all i got or cinnamon

    • Lauren May 15, 2014 at 3:32 pm Reply

      Hi Sami,

      You could try or you could just omit it. :)

  32. […] Based on this recipe from Oatmeal with a Fork […]

  33. […] 21. Sugar-Free Peanut Butter Cookies […]

  34. […] 21. Sugar-Free Peanut Butter Cookies […]

  35. […] 21. Sugar-Free Peanut Butter Cookies […]

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