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Home » Recipes » Vegan Gluten-free Recipes

Modified: Feb 28, 2025 · Published: Jul 30, 2024 by Jim Mee Sha · This post may contain affiliate links · 15 Comments

Fudgy Vegan Protein Brownies

Jump to Recipe

Fudgy, moist, and rich in chocolate flavor, these vegan protein brownies are a delicious way to satisfy your sweet cravings! Each serving packs over 10g of protein and comes together quickly in one bowl. They’re also freezer-friendly, making them perfect for meal prep. 

These protein brownies are great for a light pre-workout meal paired with a soy latte or protein iced coffee. You can also have them as a quick high-protein snack or a satisfying dessert. 

Slices of protein brownies on a parchment paper topped with flaked sea salt.

If you're craving a decadent sweet treat while still meeting your protein goals, these vegan protein brownies are a must-try! I love having a batch on hand along with chocolate banana protein muffins, protein flapjacks, or vegan protein cookies for a quick and satisfying high-protein snack.

Jump to:
  • 💚Why you will love this recipe
  • 🍌What you will need 
  • ✨Substitutions and add-ins 
  • 🔪How to make vegan protein brownies
  • ✔Helpful tips 
  • ❄Storing suggestions 
  • ❔Commonly asked questions for protein brownies
  • 🍨More high-protein vegan desserts
  • 📖 Recipe

💚Why you will love this recipe

  • Ultra fudgy, gooey, and decadent 
  • Easy to make, one-bowl recipe ready in an hour 
  • Good source of protein - a serving (2 slices) contains 11g protein, under 250 calories 
  • Great for meal prep and is freezable!

🍌What you will need 

Ingredients needed like oat flour, protein powder, banana, maple syrup, milk, and other ingredients.
  • Banana – Acts as the primary sweetener and binder; use ripe, spotty bananas for the best flavor.
  • Oat flour – Provides structure to the brownies. You can easily make it at home by blending oats in a high-speed blender.
  • Maple syrup – Reduce the amount if your protein powder is already sweet. 
  • Protein powder – Boosts the protein content while adding a slightly chewy texture. I use Nuzest chocolate protein powder, and am loving it!
  • Cocoa powder – Use high-quality cocoa for richer, more decadent brownies. I highly recommend Cacao Barry’s cocoa powder. 
  • Baking soda – Helps lift the brownies slightly since they’re made without eggs. Omit for ultra-dense, fudgy brownies.

See the recipe card for full information on ingredients and quantities.

✨Substitutions and add-ins 

  • Peanut butter – Swap with any nut or seed butter like tahini or sunflower seed butter for a nut-free option.
  • Maple syrup - Can be substituted with other liquid sweeteners like agave or sugar-free syrup. If your protein powder is particularly sweet, omit and add more milk if the batter is thick. 
  • Milk – Any dairy-free or regular milk will work.
  • Banana substitute – Can be substituted with pumpkin or sweet potato puree, but you might need to add more maple syrup to sweeten. 
  • Single-serve option – Highly recommended checking out my protein mug brownie or chocolate protein mug cake!
  • Frosting ideas – Keep it classic and go for your favorite chocolate frosting. Or, make a healthier version using chocolate hummus or protein frosting.
  • Mix-in options – Get creative and add chocolate chips, crushed walnuts, coconut flakes, or chopped candy bars!

🔪How to make vegan protein brownies

Wet ingredients in a white bowl with a fork beside with 2 empty ramekins in the background.

Step 1: In a large mixing bowl, mash the bananas until fairly smooth. Add the rest of the wet ingredients and give everything a quick stir.

Batter of protein brownies in a white bowl with a fork beside and 2 empty ramekins beside.

Step 2: Now, add in dry ingredients and mix until everything is well combined. The batter will be thicker than regular brownie batter.

Brownie batter in a grey baking tray lined with parchment paper with 2 empty ramekins beside.

Step 3: Transfer the brownie batter to the lined baking pan. Smooth it out using a spatula or the back of a spoon. If desired, top with more chocolate chips.

A tray of baked brownies in a grey square baking pan topped with flaked sea salt.

Step 4: Bake for 22-25 minutes, then let your vegan protein brownies cool completely before slicing and serving.

💡Baking tip

Brownies are done baking when a toothpick comes out fairly clean with a few moist crumbs clinging onto it.

✔Helpful tips 

  • Adjust the sweetener – The sweetness of your protein powder will vary, so adjust accordingly. Once mixed, you can taste the batter to see if it needs more or less sweetener.
  • Baking time matters - For gooier brownies, slightly underbake them. If you prefer firmer brownies, bake longer, but avoid overbaking. When done, a toothpick should come out fairly clean with a few moist crumbs.
  • Let them cool before slicing – Warm protein brownies are fragile and crumble easily. Cool for at least an hour, then use a non-serrated knife for clean slices.

Save this recipe!

Email yourself a link to this page and come back later.

Also get a FREE high-protein vegan recipe eBook + weekly new recipes! Unsubscribe anytime.

A tray of sliced protein brownies on a parchment paper topped with flakes sea salt.

❄Storing suggestions 

Fridge - You can refrigerate vegan protein brownies for up to 4 days in an airtight container. 

Freezer - Brownies can be frozen for up to 3 months in a sealed container. Place a piece of baking paper between each layer to prevent them from sticking together. 


Reheating - For frozen brownies, simply let them thaw in the fridge overnight, and it is ready to be enjoyed. If you prefer warm brownies, heat them in the microwave for around 30 seconds before enjoying them.

❔Commonly asked questions for protein brownies

Are vegan protein brownies gluten-free?

These vegan protein brownies are naturally gluten-free. However, cross-contamination might occur during the processing of oat flour, so if you are sensitive to gluten, make sure to get one that is certified gluten-free.

Why are my protein brownies dry?

Overbaking is the most common cause of dry, crumbly brownies. Check for doneness by inserting a toothpick down the middle. If it comes out fairly clean with a few moist crumbs, your brownies are done baking.

You might also inaccurately measured the ingredients, and added too much dry ingredients. I highly recommend weighing ingredients using a kitchen scale for the highest accuracy.

Can I substitute protein powder for more flour?

I would not recommend omitting or substituting protein powder with more flour in this recipe. If you want brownies made without protein powder, I recommend checking out my aquafaba brownies or oatmeal brownies instead.

Slices of brownies arranged on a parchment paper topped with flaked sea salt.

🍨More high-protein vegan desserts

  • A plate of protein balls with a spoonful of peanut butter beside and a cup of coffee in the background.
    Protein Balls without Protein Powder
  • A pan of cinnamon rolls with spoonful of cinnamon powder and icing beside.
    Healthy Protein Cinnamon Rolls
  • Mousse served in a glass topped with whipped cream and shaved chocolate with chocolate and spoon in the background.
    Vegan Tofu Chocolate Protein Mousse (no cream)
  • PB2 cookies on a white surface with bowl of sea salt, a spoonful of peanut butter and jar of PB2 beside.
    Rich Peanut Butter Powder Cookies (PB2 cookies)

If you made this recipe, leave a rating and comment below. We would love to hear from you! Subscribe to My Plantiful Cooking to get new recipes delivered straight to your inbox! Follow us on Instagram, Facebook, and Pinterest to get the latest updates. 😉

📖 Recipe

Slices of protein brownies topped with flakes sea salt arranged on a parchment paper.

Fudgy Vegan Protein Brownies

Meesha
Fudgy, moist, and rich in chocolate flavor, these vegan protein brownies are a delicious way to satisfy your sweet cravings! Each serving packs over 10g of protein and comes together quickly in one bowl.
4.94 from 15 votes
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 22 minutes mins
Total Time 32 minutes mins
Course Dessert, Snack
Cuisine American
Servings 8 servings (2 brownies per serve)
Calories 245 kcal

Equipment

  • 8x8 square baking pan

Ingredients
 
 

  • 2 medium banana about 225g/8oz
  • ½ cup almond milk or any other milk of choice
  • ¼ cup cashew butter or another nut/seed butter
  • ¼ cup maple syrup or any other liquid sweetener
  • 1 cup oat flour *
  • ½ cup chocolate protein powder
  • ½ cup cocoa powder
  • 2 teaspoons baking powder
  • ⅓ cup dark chocolate chips
Prevent your screen from going dark

Instructions
 

  • Preheat oven to 180C/350F. Line an 8x8 baking pan with baking paper.
  • In a large mixing bowl, mash banana with a fork or potato masher until smooth.
    2 medium banana
  • Add the rest of the wet ingredients and stir to mix.
    ½ cup almond milk, ¼ cup cashew butter, ¼ cup maple syrup
  • Now, add all dry ingredients into the bowl and gently combine until a batter forms. The batter will be slightly thicker than regular brownie batter but still fairly easy to stir.
    1 cup oat flour, ½ cup chocolate protein powder, ½ cup cocoa powder, 2 teaspoons baking powder, ⅓ cup dark chocolate chips
  • Transfer batter to the baking pan, and gently smooth it down using a spatula or back of a spoon. Optionally, top with more chocolate chips.
  • Bake for 22-25 minutes, or until a toothpick comes out fairly clean with a few moist crumbs clinging. Let it cool completely before slicing and serving.

Notes

*Oat flour - Provides structure to the brownies. You can easily make it at home by blending oats in a high-speed blender.
 
Helpful tips
  • Adjust the sweetener – The sweetness of your protein powder will vary, so adjust accordingly. Once mixed, you can taste the batter to see if it needs more or less sweetener.
  • Baking time matters - For gooier brownies, slightly underbake them. If you prefer firmer brownies, bake longer, but avoid overbaking. When done, a toothpick should come out fairly clean with a few moist crumbs.
  • Let them cool before slicing – Warm protein brownies are fragile and crumble easily. Cool for at least an hour, then use a non-serrated knife for clean slices. 
 
Storing - Brownies can be refrigerated for 5 days or frozen for 3 months. Allow frozen brownies to thaw overnight in the fridge. You can either enjoy it cold or reheat in the microwave before serving.

Save this recipe!

Email yourself a link to this page and come back later.

Also get a FREE high-protein vegan recipe eBook + weekly new recipes! Unsubscribe anytime.

Nutrition

Serving: 2brownieCalories: 245kcalCarbohydrates: 34gProtein: 11gFat: 9gSaturated Fat: 4gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 0.1mgSodium: 195mgPotassium: 378mgFiber: 4gSugar: 13gVitamin A: 78IUVitamin C: 4mgCalcium: 137mgIron: 3mg

Nutrition info calculated is just a rough estimate and is provided as a courtesy. Bear in mind that value will vary based on variables like specific brand or type of product used. To obtain the most accurate representation, it is highly recommended that you calculate it on your own with the actual amount and type of ingredient used.

Did you make this recipe ?Tag @myplantifulcooking on Instagram !

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Comments

    4.94 from 15 votes (3 ratings without comment)

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    Recipe Rating




  1. Shruti Gupta says

    February 27, 2021 at 10:07 am

    5 stars
    This is wonderful, guilt-free, sweet tooth satiating dish. It tastes scrumptious. I personally like peanut butter so I didn't change anything in the recipe and followed all the steps to get the awesome result.

    If you have such healthy options around then there are no worries of gaining weight. Thank you Meesha for sharing such recipes.

    Reply
  2. Mama Maggie's Kitchen says

    December 10, 2020 at 5:02 am

    5 stars
    My mouth is literally watering. My family would love this..

    Reply
  3. Leslie says

    December 09, 2020 at 9:15 am

    5 stars
    Perfect Healthy Brownie recipe!

    Reply
    • Natalia Soto says

      April 14, 2021 at 8:49 am

      5 stars
      I did this recipe today and is so so yummy and fudgy, I’m really glad I found this page. Will definitely do it again. Thanks 💕

      Reply
      • meesha says

        April 15, 2021 at 8:37 pm

        I am really glad that you like it ! 😊

  4. Alena says

    December 09, 2020 at 3:39 am

    5 stars
    I love how fudgy these brownies are!

    Reply
    • meesha says

      December 10, 2020 at 8:50 pm

      Really glad you like it !

      Reply
  5. Chef Dennis says

    December 08, 2020 at 3:22 pm

    5 stars
    This Fudgy Sweet Potato Brownies is making me drool!

    Reply
  6. Jill says

    December 08, 2020 at 5:55 am

    5 stars
    Thanks for this recipe! I'm always looking for healthy options for desserts, I like that you're using ingredients I already have at home! Plus I still have leftover sweet potatoes from Thanksgiving. I'm going to give this recipe a try this week!

    Reply
    • meesha says

      December 08, 2020 at 8:41 pm

      Yay ! I really hope u like it !

      Reply
  7. Ksenia Prints says

    December 08, 2020 at 2:27 am

    5 stars
    Sugar-free + brownies = the recipe to my heart.

    Reply
  8. Christina says

    December 08, 2020 at 2:17 am

    5 stars
    This was so delicious!

    Reply
    • Sabrina says

      December 08, 2020 at 3:03 pm

      5 stars
      What a great vegan recipe!

      Reply
  9. Raquel says

    December 08, 2020 at 1:36 am

    5 stars
    I am going to make these! They look delicious!

    Reply
  10. Chloe says

    December 07, 2020 at 8:26 pm

    5 stars
    Delicious- what a great idea for a healthy brownie!

    Reply
A headshot of Mee Sha leaning on a handrail.

Hi, nice to meet you! I am Mee Sha, a final-year dietetic student passionate about nutrition, cooking, and food. This blog was created to share my favorite plant-powered recipe!

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