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    Home » Recipes » Sweets

    Easy Vegan Sweet Potato Brownies

    Published: Feb 10, 2021 / Modified: Sep 11, 2023 by Lizzie Streit, MS, RDN / This post may contain affiliate links / 22 Comments

    885 shares
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    3 sweet potato brownies stacked on each other under text box with recipe title
    7 vegan sweet potato brownies on a serving dish topped with chocolate chips
    images of sweet potato brownies separated by text box with recipe title

    Vegan sweet potato brownies are a healthy and delicious treat with only 5 ingredients! They’re fudgy, flourless, and easy to make. Each bite delivers an explosion of chocolate peanut butter gooeyness!

    7 vegan sweet potato brownies on a serving dish topped with chocolate chips

    This post may contain affiliate links. For more information, see my affiliate disclosure.

    Can I interest you in a batch of decadent brownies with sweet potato? No? You’re not sold on using sweet potatoes in a dessert?

    Trust me, you have nothing to worry about with this recipe! The sweet potato in these brownies serves a binder, which is how they’re vegan (you don’t need eggs…nor flour for that matter). It adds some natural sweetness and contributes a fudgy texture, not to mention fiber, vitamins, and minerals.

    So, having one of these brownies is definitely NOT the same as eating a baked sweet potato on its own. In fact, it’s way better. Because…chocolate. And maple syrup and vanilla extract. And PEANUT BUTTER! Yup, those are all of the ingredients (just 5!). You really can’t go wrong with that dream team, huh?

    The bottom line is that these vegan sweet potato brownies are a healthier sweet treat that incorporates a vegetable. And that is always a good thing! Each brownie has 8 grams of protein and 3 grams of fiber, which is an impressive nutrient profile as far as sweets go. Make a batch for your Valentine, kids, coworkers, neighbors, or just yourself! And while you’re at it, try my Veggie Brownies too!

    3 vegan sweet potato brownies stacked on top of each other on a counter

    How to Make Sweet Potato Brownies

    1. Prepare the mashed sweet potato. To save time, use a roasted sweet potato that you prepared ahead of time or cook the sweet potato in your microwave.
    2. Stir in the peanut butter, vanilla, and maple syrup. Then add the unsweetened cocoa powder.
    3. Spread in an 8×8 or 9×9 baking dish. Top with mini chocolate chips and flaky sea salt (optional), and bake for 35 to 40 minutes.
    4. Let the brownies sit for 15 minutes before slicing into small pieces. Enjoy!

    Want another recipe with a sweet potato twist? Check out the Silver Dollar Sweet Potato Protein Pancakes.

    mashed sweet potato in a bowl with a fork and number 1 bubble in top right
    dry ingredients on top of mashed sweet potato in a bowl with number 2 bubble in top right
    sweet potato brownie batter in a pan with number 3 bubble in top right
    cooked sweet potato brownies in a pan with number 4 bubble in top right

    Expert Tips

    For the full recipe and notes, be sure to scroll down to the recipe card. In the meantime, here are my tips for making perfect vegan sweet potato brownies.

    • Feel free to sub other nut butters, like almond butter, for the peanut butter if desired. You can also add nuts, like pecans, to the batter or on top of the brownies before baking.
    • Brownies with sweet potato are fudgy, so it can be difficult to know when they are finished baking. Refer to photo 4 above for a visual cue. These aren’t regular brownies and are more like fudge.
    • Be sure to let the brownies cool for at least 15 minutes before slicing. If you have the time, put them in the fridge for 30 to 60 minutes before slicing. This helps them “firm up” so that they are easier to slice. I recommend using a mini spatula to scoop out the sliced brownies.
    • Store the brownies in an airtight container in the fridge for up to 5 days. They also freeze really well. Wrap each one individually in plastic wrap before storing in a freezer-safe container or bag for up to 3 months. You can enjoy them frozen or thawed.
    5 sweet potato brownies on a serving dish topped with chocolate chips

    More Healthy Desserts

    If you love these vegan sweet potato brownies, check out these other desserts:

    • Oatmeal Date Almond Butter Bars
    • Oatmeal Raisin Sweet Potato Cookies
    • Chocolate Avocado Muffins
    • Fudgy Beet Brownies
    • Carrot and White Bean Vegan Blondies
    • Chocolate Cherry Pumpkin Oatmeal Bars

    I’d love to hear how you like this recipe! Rate/review using the stars on the recipe card or in the comments, and follow the Veg World on YouTube, Instagram, Facebook, and Pinterest. Looking for something totally different? Browse the recipe library.

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    3 vegan sweet potato brownies stacked on top of each other

    Vegan Sweet Potato Brownies

    These fudgy, flourless brownies use just 5 ingredients! They're a healthy sweet treat that's easy to make and freezes well.
    5 from 4 votes
    Print Pin Rate
    Prep Time: 10 minutes mins
    Cook Time: 40 minutes mins
    Resting Time: 15 minutes mins
    Total Time: 1 hour hr 5 minutes mins
    Servings: 16 brownies
    Calories: 134kcal
    Author: Lizzie Streit, MS, RDN

    Ingredients 

    • 1 cup mashed cooked sweet potato
    • 1 cup creamy peanut butter - can sub other nut butters
    • ½ cup maple syrup - use ¼ cup if you want them less sweet
    • 1 teaspoon vanilla extract
    • ¼ cup unsweetened cocoa powder
    • Mini vegan chocolate chips - optional
    • Flaky sea salt - optional

    Instructions

    • First, cook the sweet potato. You can boil, roast, or microwave the sweet potato until tender. See notes for instructions for each cooking method. It's helpful to let the sweet potato cool before using it in the recipe, since that will help the brownies stay together better. If you have time to make it in advance, do so and keep it in the fridge until you're ready to make the recipe. The recipe will still turn out well if you don't cool the sweet potato though!
    • Preheat the oven to 350 degrees F. Grease a 9×9 baking dish and set aside.
    • Add 1 cup of cooked sweet potato to a mixing bowl, and mash with a fork. Stir in the peanut butter, maple syrup, and vanilla extract until smooth. Add the cocoa powder, and mix well.
    • Spread the batter into an even layer in the greased baking dish. Top with mini chocolate chips and flaky sea salt (optional). Bake for 35 to 40 minutes.
    • Let the brownies cool for at least 15 minutes before slicing into pieces. This will help them firm up, so that they don't fall apart when you cut them. If you are able to put them in the fridge for 30 to 60 minutes before slicing, even better!
    • Leave a rating or review by tapping the stars on this recipe card (above) or in the comments section (at the end of the post)!

    Notes

    • How to cook sweet potato
      • Boil: Peel the sweet potato, cut into 1-inch chunks, place in a pot of salted water, bring to a boil, and cook for 15-20 minutes until tender.
      • Microwave: Poke several holes in the sweet potato skin to let air escape, place on a plate, microwave for 2.5 minutes, turn the potato over, and microwave for another 2.5 minutes.
      • Roast: Preheat an oven to 400 degrees F, poke several holes in the sweet potato skin, place on a piece of foil or a baking sheet on the center rack of the oven. Cook for 45-60 minutes until tender.
    • Peanut butter tip: If you have trouble getting peanut butter out of measuring cups, try rinsing the cup in hot water for a few seconds before adding the peanut butter. This will help it glide right out!
    • Storage: Place in an airtight container, using wax or parchment paper as needed to separate layers of brownies. Store in the fridge for up to 5 days.
    • Freezing: Let the brownies cool completely. Wrap each one in plastic wrap before placing in a freezer-safe bag or container. Freeze for up to 3 months.

    Nutrition

    Serving: 1brownie | Calories: 134kcal | Carbohydrates: 13g | Protein: 4g | Fat: 8g | Saturated Fat: 2g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 4g | Sodium: 75mg | Potassium: 162mg | Fiber: 2g | Sugar: 8g | Vitamin A: 1179IU | Vitamin C: 0.2mg | Calcium: 23mg | Iron: 1mg
    Did you make this recipe?Tag @vegworld_recipes and follow me today!

    Enjoy! – Lizzie

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      Easy Oatmeal Raisin Carrot Cookies
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      Almond Flour Chocolate Cupcakes (with sweet potato!)
    • Healthy chocolate frosting with avocado in a cup next to avocados and a napkin.
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    885 shares

    Reader Interactions

    Comments

      5 from 4 votes (2 ratings without comment)

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    1. Niki

      October 12, 2024 at 6:30 pm

      5 stars
      So good and easy to make!! I added chopped walnuts to the top of mine! Delicious

      Reply
      • Lizzie Streit, MS, RDN

        October 14, 2024 at 3:46 pm

        Hi Niki, yum! What a great addition! Thanks so much for your 5-star review!!

        Reply
    2. Helen

      September 19, 2024 at 11:13 am

      what is a kcal, and why not include regular calorie count for us non-numerical types?

      Reply
      • Lizzie Streit, MS, RDN

        September 20, 2024 at 3:24 pm

        The terms kcal and calories are used interchangeably, so the kcal you see in the nutrition facts for this recipe are what we commonly refer to as calories.

        Reply
    3. Niki

      August 28, 2024 at 10:11 am

      Hello, Do you think it would work to substitute to nut butter with another type of spread, e.g. biscoff, due to nut allergies?

      Thank you very much.

      Reply
      • Lizzie Streit, MS, RDN

        August 29, 2024 at 3:38 pm

        Hi Niki, yes I think you could use something nut-free like biscoff or a sunflower seed butter here! I’d love to hear how they turn out if you try it.

        Reply
    4. Bette Barkley

      June 13, 2024 at 5:59 am

      5 stars
      Easy and delicious and vegan!

      Reply
      • Lizzie Streit, MS, RDN

        June 13, 2024 at 2:26 pm

        Yay! Thanks so much for your review.

        Reply
    5. Eileen

      May 06, 2024 at 10:06 am

      These brownies turned out yummy! Best to wash them down with nut milk.😊 Be sure the sweet potato is thoroughly mashed.

      Reply
      • Lizzie Streit, MS, RDN

        May 09, 2024 at 1:35 pm

        Hi Eileen, I’m glad to hear you enjoyed them! Thanks for your review!

        Reply
      • Essie

        May 27, 2024 at 6:56 pm

        My kid doesn’t suspect the recipe modifications at all— all she knows is that it’s a “new recipe” and she loves it! This is fudgy and chocolatey, and I love that it’s WFPB. I did cut down the syrup to a bit more than 1/3 cup but it wasn’t sweet enough so will try the full 3/4 cup next time. Thanks for posting!

        Reply
        • Lizzie Streit, MS, RDN

          May 30, 2024 at 11:25 am

          I’m so glad to hear that! Thanks so much for your recipe review.

    6. Alisha

      April 08, 2024 at 2:30 pm

      Hello can you use monk fruit instead of maple syrup? I am not allowed to have sugar right now.

      Reply
      • Lizzie Streit, MS, RDN

        April 08, 2024 at 3:25 pm

        I haven’t tried it, but I think that should work fine! Let me know how they turn out for you. Hope you enjoy the recipe.

        Reply
    7. Diana Gallerino

      March 30, 2024 at 6:05 pm

      How many sweet potatoes does it take to make one cup

      Reply
      • Lizzie Streit, MS, RDN

        April 01, 2024 at 10:37 am

        Usually one large sweet potato or two small ones. Two medium sweet potatoes yield about 1.5 cups flesh.

        Reply
    8. Minnie

      December 09, 2023 at 4:47 pm

      How long should we bake them off we double the recipe? Or is it the same as 1x?

      Reply
      • Lizzie Streit, MS, RDN

        December 11, 2023 at 11:04 am

        Hi Minnie, it should be about the same baking time. However, I have never tried doubling so I don’t know for sure. I would check the brownies for doneness at the cooking time listed in the recipe card and then add a few more minutes if needed until baked through.

        Reply
        • Gabby King

          January 07, 2025 at 9:55 am

          Can you use coconut sugar instead of maple syrup?

        • Lizzie Streit, MS, RDN

          January 07, 2025 at 10:00 am

          Yes, that should work well. You may want to use up to 3/4 cup of coconut sugar in place of the 1/2 cup of maple syrup, since coconut sugar is less sweet.

    9. Rachel Caruana

      April 20, 2021 at 11:20 am

      Hi, I’m looking to try this recipe! So excited to do something with these purple yams!
      The peanut butter is a substitute for butter, correct? So if I don’t wish to use any nut butter, I could use a cup of butter instead, right?
      Thanks!

      Reply
      • Lizzie Streit, MS, RDN

        April 20, 2021 at 5:07 pm

        Hi Rachel, thanks for your comment! Yes, the peanut butter is mainly intended to be a substitute for butter. However, the protein in the peanut butter also adds some structure to the recipe as well. I believe it would still turn out OK if you substituted a cup of butter for the peanut butter, but I’m not positive. I’d love to hear how it works for you! Keep me posted.

        Reply

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