4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)

Quick and easy to make 4 ingredient healthy protein brownies are moist and fudgy and contain NO SUGAR, NO EGGS, NO OIL, AND NO FLOUR! They are naturally Vegan, gluten-free, and paleo. Enjoy them for breakfast or any time of the day. 4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)Ever since I started making these healthy protein brownies for my paleo obsessed husband, We’ve never looked back. They are fudgy and delicious and because they are made with all wholesome ingredients, eating them couldn’t be easier. There’s no better feeling out there than enjoying brownies guilt free!

These brownies are great if you are on a low-carb or paleo diet or if you are a weight trainer. They are packed with protein powder, nut butter, and bananas. Since they are mostly banana and nut butter, they make a great breakfast on the go.

For best results:

  • I suggest using caseinVega, or any plant-based protein powder in chocolate flavor.
  • For the nut butter, almond, cashew or peanut butter all work really well.
  • For the bananas, the one and only rule is the riper the better!
    4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)To make the brownies, simply combine all the ingredients with a whisk or wooden spoon until fully combined. Pour (or press) better into a greased skillet or small pan. Bake for 18-20 minutes and cool before slicing. 4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)
    4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)

4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)

Please see above for protein powder recommendations and tips. For paleo use this: chocolate paleo protein powder, for vegan or gluten-free use this: Vega chocolate Powder.
3.75 from 35 votes
Print Rate
Prep Time: 5 minutes
Cook Time: 20 minutes
Total Time: 25 minutes
Servings: 9 slices
Author: Layla


  • 2 cups mashed banana about 6 medium, overripe bananas
  • 1 cup smooth peanut butter use almond or cashew butter for paleo/low-carb
  • 1/2 cup protein powder
  • 1/4 cup cocoa powder


  • Pre-heat oven to 350 degrees F. Line a small 8x8 baking dish or 8'' skillet with parchment paper or grease well. Set aside.

  • In a large bowl, combine the mashed bananas, peanut butter, whisk until fully combined. Stir in protein powder and cocoa powder with a wooden spoon. Pour batter into a greased pan. Bake for 12-20 minutes or until cooked through.

  • Cool for at least 10 minutes before cutting. Cover the leftovers and store in the fridge for up to 3 days. Enjoy cold or at room temp!

4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)

4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)IF YOU ENJOYED THIS RECIPE, PLEASE PIN IMAGE BELOW!! <3 4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo)


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    Can I use real chocolate, I know it has more fat in it but these don’t seem to shy away from including a lot of fat, personally I much prefer chocolate to more refined things like cocoa powder but would chocolate incorporate well?


      I haven’t used “real” chocolate as a replacement for the cocoa, but please do let us know how it turns out!


    What’s the carb count on these?


    Tried these and they’re horrible. Don’t look like the photos at all. Taste like a dense peanut butter fudge with chocolate powder added. I would not recommend.


    These are amazing. I can’t tell you how many times I’ve made them. It’s the closest you’re going to get to a fudgy brownie while being healthy – unless you are on a super low fat diet you might not want to incorporate these into your diet. I used justin’s almond butter, vega chocolate protein (2 scoops), 4 super ripe bananas, cacao and throw in a little Maca powder because I add it to everything. Approx 260 calories for a 9th, 17 grams of fat, 20 carbs, 13 grams of protein. 1.1 grams of sugar.


    I am currently making these now! The taste is amazing, but they’re not cooking through. I’m guessing an 8×8 pan is too small…or flour/baking soda needs to be added. I’m not a baking expert though.


    What’s the nutrition facts?


    For those concerned about the sugar in the peanut butter, make your own. A food processor and a few minutes and you have fresh homemade peanut butter and it works great in recipes. You can’t get more natural than that.

    Silvia Gilbert

    Can i replace the protein powder with something else?


    I tried this recipe last night and it turned out perfect! I tried to half the recipe since I will be the only one in my house eating these. Here is what I used:
    3 ripe bananas
    1/2 cup almond butter (Justin’s)
    1/2 cup ON double chocolate protein powder
    1/4 cup unsweetened cocoa powder
    I baked them in a 8×8 glass dish @350 for 25 minutes. They were delicious with a glass of almond milk!


    Hello! I just made these and while the taste is great, the brownies never seemed to fully set – it was if they got done on the top but not fully done underneath. I ended up cooking them for 26 minutes and they’re still gooey when you cut them. Has anyone else had this issue or did I miss something in the recipe?


    Oh I want to try these so bad but the comments are making me nervous lol. I only have Vega vegan protein powder in vanilla but I may try these.


    These were GREAT! I used:

    – 1/4c IronMan whey protein powder (chocolate) and 1/4 cup Designer Whey (unflavored) because 1/4c was all I had left of the chocolate flavor
    – peanut butter because who doesn’t love peanut butter
    – bananas and cacao powder as recommended
    – added a teaspoon of vanilla extract
    – threw in a handful of dark chocolate chips
    baked for 20 minutes

    They came out really tastey, but next time I will make sure I have the full amount of chocolate protein powder readily available.

      Hannah Tillison

      do these taste like bananas? i know probably a stupid question but i hate bananas..lol


        You can use canned pumpkin instead if you don’t like bananas!


          Thank you for that tip!


    Everyone in the comments is an idiot.

      teri wallingford

      if you cant say something nice…dont say it at ll…your a very rude person…and I’m being nice

    Sandra K Fuller

    Can these be frozen after they are baked?

    Nicole M



      That’s why she suggested Vega protein powder if you want to make them vegan… she never stated that casein is vegan, if you actually read the post.

    Sam Jones

    They look delicious! Can’t wait to try all of them! Cheers!! the 4 Ingredient Fudge Protein Brownies (Vegan, Gluten-free, Paleo) is a great idea.


    Can I substitute or leave our the peanut butter? I dont like any of the nut butters…they all taste like peanut butter and its the worst


    Isn’t Casein the cancer causing reason people don’t eat dairy?


    What kind of consistency should these have when they’re done baking? I’m trying to bake them, but i can’t tell if they’re done.


    Can it be made without the protein powder?


      I haven’t tries making them without the protein powder but please let us know if you do.


    Can I substitute the nut butter with anything else that’s not nut butter? I don’t have enough for the recipe.


    I tried these last night and they turned out HORRENDOUS!! Only reason I can think of is the type of protein powder I used…

    I opted for my chocolate flavored eggwhite protein powder and I think that’s what made them rubbery/taste like a tire… I was so disappointed because I saw the great reviews and they looked delicious!

    Word to the wise, do not use eggwhite protein powder LOL


      Yeah, I used a gnc plant based pp and mine also turned out horrendous. Stick to the mentioned brands, I guess


      It’s a terrible recipe, nothing is good without real ingredients. Nothing that is three or four ingredient will be good. Use a regular brownie recipe, use eggs, coconut flour and a maple syrup and banana 1/2 mix of each to replace the sugar. And no peanut butter!


    can you use unsweetened coco powder or does that change the taste?


      Yea, the coco powder should be unsweetened.


    Why would you say they’re sugar free when peanut butter has been added? Can I have the nutritional information for this recipe?


      I was watching another recipe video where the guy said sugar free and then on the back of the peanut butter label it had sugar right at the top. In my cupboard I have peanut butter that is sugar free. It is only peanuts and peanut oil. You can just google the amounts of ingredient and find the nutritional info based on the ingredients you plan to use or read the backs of the label because many people will use different brands.


      Your peanut butter should have one ingredient. Peanuts. Stay away from brands that add sugar and oils.


      Not all Peanut butter has sugar – its quite easy to find peanut butter without sugar, actually.


    Do you have to add the protein powder?


    Macros for these?


    I was shocked how good these were!!! I halved the recipe and made mini brownies. Next time I’ll
    Have to double it! I used Arbonne vegan protein, and they turned out wonderfully! Thanks for this recipe! It will be my go to from now on!!


      Which Arbonne protein did you use?
      I’ve got Arbonnes Vanilla meal replacement protein powder, can I use this for the recipe?



        I used chocolate and I’ve never tried the vanilla but please let us know how it turns out if you do try it!


    Is there ANY alternative to the banana? I cannot even have them in my house, the smell of them makes me physically & violently ill… I want to make these, but am at a loss as to a substitute.


      Yes, you can also use canned pumpkin.


        Good, I’m so glad there’s an alternative to the bananas (I’m severely allergic); although, I’m sure they taste amazing.


    Casein is a milk protein. It’s not vegan.


    I looked up some generic nutritional(caloric) info:
    2c Banana – 400 cal
    1c Peanut Butter -1397 cal
    1/2 c Chocolate Protein Powder- 400 cal
    1/4 c Cocoa Powder- 48 cal
    Total 2245 cal 250 cal per serving

    Not to bad for a brownie! I’m a big fan of BP2 and was wondering if it could be reconstituted and used. I’m guessing the brownies would be less fudge-y without the oil from the Peanut Butter.


    casein is not vegan.

    Ana rodriguez

    What are the dietary stats per slice

    Kayle (The Cooking Actress)

    ooooh I’m sharing this with my brother!


    These fudgy brownies are so delicious and healthy- clearly I need to pick up some protein powder! Pinning 🙂


    Just made these… really great tasting alternative to regular brownies! I added a splash of pure coffee extract for extra richness.