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)
4.03 from 45 votes

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

By: Layla
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.
Prep5 minutes
Cook20 minutes
Total25 minutes
Servings 9 slices


  • 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!
like this recipe? Rate & Comment below!

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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  1. I wouldn’t say they were a total disaster but they definitely didn’t cook through in the middle, and taste more like batter than actual brownies.

  2. They might be ok if you bake them in a cast iron skillet, like the picture .I used a glass pan for 30 mins
    They seem to be raw? They taste funky…
    Not a fan ????

  3. 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?

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

  4. 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.

  5. 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.

  6. 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.

  7. 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.

  8. Can i replace the protein powder with something else?

  9. 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!

  10. 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?

  11. 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.

  12. 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.

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

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

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

  13. Can these be frozen after they are baked?

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