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Keto Protein Bars

4.91 from 44 votes

How to make your own flourless and low carb keto protein bars at home, with just 4 ingredients.

Low Carb Keto Protein Bars

Low Carb Vegan Protein Bars


Grain Free

Oil Free

Dairy Free

No Sugar Required

These healthy protein bars are a great homemade alternative to Perfect Bars or Quest Bars. Whip up a batch in under 5 minutes, and you might never want to spend money on another packaged protein bar ever again.

Also Try This Keto Ice Cream Recipe

Healthy Protein Bars (Keto, Paleo, Gluten Free, Vegan)

I’ve gotten a lot of requests from readers to come up with a homemade keto protein bar recipe, and this one is super quick and easy.

You simply stir all of the ingredients together to form a dough, shape into bars or squares, and refrigerate or freeze until chilled.

They’re great for an on-the-go snack, with 10 grams of protein and under 2 grams net carbs per bar.

Feel free to use your favorite protein powder, and the recipe can easily be doubled or tripled if you want to make up a big batch for meal prep.

You May Also Like: Vegan Chocolate Mousse – 3 Ingredients

Sugar Free Low Carb Protein Bars
Keto Protein Bars Recipe

Above – watch the video of how to make keto protein bars.

The Best Homemade Keto Protein Bars
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Keto Protein Bars

How to make your own easy low carb and keto protein bars at home.
Prep Time 5 minutes
Total Time 5 minutes
Yield 5 protein bars
4.9 from 44 votes


  • 1/2 cup nut butter of choice
  • 3 tbsp protein powder (I used this one)
  • 1/4 tsp salt
  • 1 1/2 tbsp granulated erythritol (Regular sugar also works)
  • optional 4 oz sugar free chocolate chips
  • optional add-ins of choice, such as chia seeds or hemp hearts


  • Be sure to use a protein powder that you like, as some protein powders have an artificial aftertaste. I prefer unsweetened protein powder here but feel free to experiment, and adjust sweetener accordingly. To make the recipe, stir everything except chocolate together to form a dough. Shape into bars with your hands. If desired, dip in melted chocolate (I usually stir 2 tsp oil into the melted chocolate for a smoother sauce, but it's not required). Chill to set. 
    View Nutrition Facts


This recipe makes about 5 bars and can easily be doubled. Adapted from this Protein Bars Recipe and these Keto Brownie Bombs.

Have you made this recipe?

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Published on July 5, 2020

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  1. Kathryn says

    These look amazing! I don’t love my current protein powder in smoothies, but I might really like it in these (If not, the kids will eat them =P)
    I’m pregnant and really struggling to hit my protein goal everyday, so I’m really excited to add these into my diet 🙂

  2. Victoria says

    I love Katie’s recipes so was super excited for this one. I tried to mush the mixture into bars but the ratio was off so it didn’t work too well as the peanut butter just stuck to my hands like crazy. I ended up adding a half-cup oats and then I was able to work with it. Tasty as always!!

  3. earthly_edible says

    I made these the other day and am keeping them in the freezer as a crunchy snack during the day. They are delicious! I added some rice krispy cereal for some crunch, and hemp seeds for added nutrition, and they’re awesome. They were very sticky so I had to drizzle the melted chocolate over them – next time will double the chocolate so they coat the entire bar! Love this recipe, thank you!!

  4. Rosemary says

    These are amazing and a lifesaver! They help me reach my protein goals while staying within my macros and they are a lovely treat too. So good to know what has gone into the protein bar I am eating! There’s no going back now. Thank you for this recipe!

  5. Sarah says

    I love this idea but the recipe ratio isn’t working for me for some reason. They are just super goopy and never set up. The only thing I changed was I left out the sugar and used a couple of drop of Stevia instead. Any thoughts on why this didn’t work for me?

  6. Karen says

    Too sticky even after leaving in the fridge for a couple of hours before shaping. Any suggestions. I don’t want to add oats because of the carbs.

    • CCK Media Team says

      Hi Karen, depending on what type of nut butter you used and protein powder, you might just need more protein powder. Try that and let us know how it goes!

  7. Traci J R says

    4 stars
    Thank you! I made these into balls, dipped them and added a bit of sea salt on top and popped ’em in the fridge… Nice treat for the hubby. Very easy too!

  8. Eli says

    What nutbutter you use has only 10grams of carbs per half cup?? You might have miscalculated on that, maybe is 20gr instead of 2gr?

    • CCK Media Team says

      Hi, we are not sure where you’re getting the number 10. Each bar has 3.9g carbs, and it makes 5 bars.

  9. MH says

    4 stars
    Very delicious but I can’t get them to set up. I added 2tbsp each of coconut and almond flours and I still can’t pick them up easily even after about 5 hours in the fridge. I used (very well stirred) natural peanut butter. Enjoying them but may have to toy around with the ratios more. I’m sure they’ll get there and they are so delicious and easy that it will be worth it!

  10. N says

    Just made these bars with almondbutter…still too loose using exact ingredients…includind adding 2 1/2 tablespoons of oats & 1/2 cup of chocolate chips…..seems I need to add more protein powder to make it a bar consistency….because my almondbutter has too much oil in it..

    • CCK Media Team says

      Hi! Different types of protein powders can require tweaking due to differing absorbency – definitely feel free to add more protein powder if your bars need it 🙂

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