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    Home » All Desserts » Slices, bars and brownies

    Published: Feb 1, 2020 · Modified: Jan 30, 2023 by Anthea

    Vegan Beetroot Brownies with Chocolate Avocado Frosting

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    4.90 from 29 votes

    Fudgy and decadent vegan beetroot brownies with a smooth avocado chocolate mousse frosting. Approved by vegans and non-vegans alike!

    Flatlay of vegan beetroot brownies cut into squares.

    These vegan beetroot brownies are pretty deceiving! Even though they contain beetroot and avocado, they are:

    • Rich and fudgy
    • Decadent
    • Indulgent

    These beetroot brownies are also refined sugar-free, don't have butter or eggs!! If you love the idea of healthy vegan brownies but don't want beetroot, see my recipe for sweet potato brownies or my 5-ingredient no-bake vegan brownies.

    Ingredients to make vegan beetroot brownies

    This recipe uses simple ingredients including:

    Flatlay of ingredients for beetroot brownies.

    Notes about the ingredients

    Beetroot puree made simply from cooking fresh beetroot and blending them into a puree.

    Vegan dark chocolate makes these brownies EXTRA fudgy and decadent! They also help the brownies set a little. You may use vegan chocolate chips or bar chocolate that has been chopped up.

    Coconut sugar, granulated cane sugar or brown sugar will work too.

    Ground flax or chia seeds are our partial egg replacer and help the ingredients stick together. Without this, the brownies are crumbly.

    A complete list of ingredients, quantities and instructions are in the gray recipe card at the bottom of this post.

    Why should we add beetroot to brownies?

    Beetroot is a healthy and nutritious vegetable but also has a few DELICIOUS benefits!

    1. The fibre and moisture content of beets makes these brownies extra fudgy and melt-in-your-mouth. Adding fruit to cake (such as in banana bread) makes the cake more dense. This is exactly what we want for brownies!
    2. The beetroot gives the brownies a beautiful red hue which is reminiscent of red velvet baked treats!

    I haven't tried substituting the beetroot for other vegetables, but I imagine pumpkin and black beans would work. Let me know if you try other vegetables!

    Close up of individual beetroot brownie with glossy chocolate avocado frosting.

    Will the brownies taste like beetroot?

    You may or may not taste the beetroot, depending on the flavor of your other ingredients, the freshness of your beetroot and your personal tastes!

    If you use strong-tasting chocolate and puree the beetroot very finely, it's less likely you will taste the beetroot.

    If you DO taste the beetroot, it's very subtle! My partner isn't a huge fan of beetroot but he loves these brownies!

    I've served these brownies to non-vegans multiple times and they don't always notice there is beetroot in them. My beetroot brownies are often slightly red, so they just assume I added food coloring to them, haha!

    How to make beetroot brownies

    This is an easy one-bowl recipe. You don't even have to prepare a special 'flax egg' for the recipe!

    Simply add all your dry ingredients to a medium bowl and mix until there are no more big lumps. Add all your wet ingredients and mix until combined.

    Tip: if you haven't pureed your beetroot yet, you can add it to a food processor with the rest of your wet ingredients (chocolate, oil and milk) and process it until smooth. Then you can add the beet mixture to your flour mixture!

    Fudgy brownie batter in bowl.

    Will the frosting taste like avocados?

    No! Similar to the beetroot in the brownies, if you add enough sweetener and cocoa powder to the avocado frosting, you're on your way to bliss.

    If you've never had avocado mousse/avocado frosting before, just imagine the creaminess of avocado with the irresistible taste of chocolate. Combine those elements and BAM!

    For the frosting, I used:

    • A ripe avocado. If your avocado has some brown spots and a little too ripe, it definitely still will work well!
    • Cocoa powder
    • Medjool dates, pitted
    • Maple syrup or any other liquid sweetener
    Flatlay of ingredients for avocado mousse frosting.

    Making the vegan avocado mousse frosting

    You can use dried dates instead of Medjool dates but just make sure you soak them in water beforehand so they become soft!

    To make the avocado frosting, simply add all the ingredients to a small food processor and blitzed it. Alternatively, you can add the ingredients to a medium bowl and blend them with a hand blender.

    If your frosting is too thick to blend, I'd strongly recommend adding a little liquid to help your food processor or blender. You can use plant-based milk, some of the excess beetroot water from boiling it, or just water.

    However, add the liquid a little at a time as you still want a thick spreadable frosting, not a chocolate drink!

    Close up of final avocado mousse.

    Depending on the quality of your Medjool dates, you may have some tiny chunks of dates throughout the frosting. If so, add some liquid and keep on blending.

    If you have time, allow the frosting to sit for 1 hour as this will force the pieces of dates to soften. When you blend it again, it'll be easier!

    I hope you enjoy this recipe!

    Close up of pink-coloured beetroot brownie with frosting

    More healthy vegan chocolate desserts

    • Flourless Vegan Chocolate Cake (oil free)
    • Chocolate Avocado Mousse Tart
    • Vegan Protein Brownies
    • Sweet Potato Brownies (vegan + real chocolate)

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    Print Recipe
    4.90 from 29 votes

    Beetroot Brownies with a Chocolate Avocado Frosting

    Fudgy and decadent vegan beetroot brownies with a smooth avocado chocolate mousse frosting. Approved by vegans and non-vegans alike!
    Prep Time25 mins
    Cook Time20 mins
    Total Time45 mins
    Cuisine: American, Vegan
    Servings: 16
    Author: Anthea

    Ingredients

    Brownie Dry ingredients

    • 1 ⅔ cup (210g) all-purpose plain flour, spelt or wholemeal flour
    • 1 cup (160g) coconut sugar, to taste
    • ¼ cup (25g) cocoa or raw cacao powder
    • 1 tablespoon (12g) ground chia or flax seeds
    • ¼ teaspoon baking powder
    • ¼ teaspoon baking soda
    • Pinch of any good quality salt, optional

    Brownie Wet ingredients

    • ~1 cup (200g) beetroot puree, (about 1 medium size beetroot, note 1)
    • ¾ cup (165g) melted vegan chocolate
    • ¼ cup (65g) neutral flavored oil, dairy-free yoghurt or applesauce
    • 3 tablespoons (45g) dairy-free milk
    • 1 teaspoon vanilla extract, optional

    Chocolate Avocado frosting

    • 1 medium avocado, skin and seed removed
    • ¼ cup (25g) cocoa or raw cacao powder
    • 4 medjool dates, pitted
    • 1-4 tablespoons maple syrup, to taste

    Instructions

    • Preheat the oven to 180°C (350°F). Line a 8 or 9 inch (20 or 23 cm) square baking pan with baking paper.

    Preparing the brownies:

    • Add all the dry ingredients to a medium-size bowl and mix until there are no lumps. Add all the wet ingredients to the bowl and mix until combined. The batter should be quite thick.
    • Pour or scoop the brownie batter into your prepared pan. Use a spoon or spatula to smooth the surface.
    • Bake the brownies in the oven for 15-20 minutes (shorter if you like them fudgy, longer if you like them more crispy). The brownies are ready when the surface is dry to the touch. If you insert a skewer into the brownies, there should be some crumbs on the skewer.
    • Allow the brownies to cool in the baking pan. They will set more over time.

    Avocado frosting:

    • Add all ingredients to a food processor and puree until it is as smooth as possible. If desired, add more cocoa powder or sweetener to taste.

    Decorating and serving the brownies:

    • When the brownies are cool, top with the avocado chocolate frosting. Use a sharp knife to cut the brownies into portions.
    • The unfrosted brownies can be stored in an airtight container at room temperature for 1-2 days. Store the frosted brownies in an airtight container in the fridge for 5 days or in the freezer for up to 1 month.

    Notes

    1. To make beetroot puree from scratch: Peel and chop 1-2 whole beetroots. Add the beetroot(s) to a small pot of boiling water and boil for 5-10 minutes or until tender. Drain the beetroot(s) and reserve some of the water. Add the beetroot(s) to a food processor and process it until it's as smooth as possible. If your beetroot isn't breaking down, add 1-2 tablespoons of the reserved water (or the dairy-free milk from the ingredients list) and puree again.

    Nutrition

    Serving: 1 brownie | Calories: 228kcal | Carbohydrates: 34g | Protein: 3g | Fat: 11g | Sodium: 59mg | Potassium: 212mg | Fiber: 4g | Sugar: 16g | Vitamin A: 32IU | Vitamin C: 2mg | Calcium: 28mg | Iron: 1mg
    Did you Make this Recipe?Rate it & leave your feedback in the comments section below, or tag @rainbownourishments on Instagram and hashtag #rainbownourishments!

    This post was originally published in June 2015 and updated a few times since then.

    This post may contain affiliate links. As an Amazon Associate, I may earn a small commission from qualifying purchases at no additional cost to you.

    Vegan Beetroot Brownies with Chocolate Avocado Frosting
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    1. Lucy says

      May 15, 2022 at 9:19 pm

      Hi Anthea, my food processor has just died, so thought I'd make the beetroot puree with my blender. It's super smooth, though. No lumps at all. Do you think the puree needs a bit of texture to help hold things together? Thanks.

      Reply
      • Anthea says

        May 20, 2022 at 9:00 am

        Hi Lucy, sorry for the late reply! Some texture in the beetroot puree is absolutely fine! Hope that helps 🙂

        Reply
    2. Lindsey says

      May 06, 2022 at 5:08 am

      Has anyone tried making these with protein powder in lieu of some of the cacao powder or flour?

      Going to give it a try and will let you know how it goes!

      Reply
    3. Michelle says

      March 30, 2022 at 1:48 pm

      Hello, I like how the brownies you made retain a red colouring after baking. Do you think this is still achievable when completely wholemeal flours are used?

      My other question was regarding the sweetener in the brownie part of the recipe - can a liquid sweetener such as rice bran syrup be swapped for the 160g coconut sugar, or would this ruin the recipe?

      Thank you.

      Reply
      • Anthea says

        March 30, 2022 at 8:01 pm

        Hi Michelle, yes I think the red colour will still show if you use wholemeal flours. It might be a more dull red but it should still show.

        With the sweetener, I have had one reader who used a liquid sweetener in this recipe successfully (they used less than 160g) but I haven't tried it myself so can't vouch for results. I suspect that it would make the brownies more dense.

        I hope that helps!

        Reply
        • Michelle says

          March 31, 2022 at 5:42 pm

          Hello Anthea,

          Thank you so much. I just put this into the oven and am excited to see how it will turn out 🙂

          Based on what you mentioned above, I used half a cup of brown rice syrup (I believe that to be 140~150g, but can't remember now sorry), and the two tablespoons of brown sugar I had left in my cupboard.

          The brownie won't be tasted until tomorrow though, as it will be for a birthday celebration. Will definitely come back and leave a review.

        • Michelle says

          April 02, 2022 at 8:36 pm

          5 stars
          The brownie turned out great, my family who prefer more "conventional" desserts enjoyed it. For my own tastes it had a perfect amount of sweetness 🙂 My friend who tried it thought that without the frosting it would be too beetroot-y, earthy...I think that's due to my recipe alteration, though, because I used brown rice syrup instead of coconut sugar.

        • Anthea says

          May 23, 2022 at 12:13 pm

          Aw, it's amazing that your family enjoyed these brownies too! Yes you're right - brown rice syrup as a milder taste than coconut sugar so the beetroot taste may be a little stronger but I'm sure they would've been delicious either way! Thanks so much for your feedback!

    4. Elle says

      February 20, 2022 at 9:03 am

      2 stars
      I usually love this recipe (exactly how it is)...however I made this today for the 4th time and had some dairy free yogurt that I needed to use so used this as per the suggestion of using either light-tasting vegetable oil, such as sunflower or rapeseed, dairy-free yoghurt or applesauce ...I usually use coconut oil and the recipe is perfect.. So I used coconut yogurt today and unfortunately the brownies have turned out rubbery and inedible. Im annoyed since I've wasted time and expensive ingredients making these and only wish I had stuck to using coconut oil. If you make this definitely don't use yogurt for an alternative to oil.

      Reply
      • Anthea says

        February 20, 2022 at 5:48 pm

        Hi Elle, I'm glad you've enjoyed these brownies a few times!

        I'm so sorry that the yogurt option didn't work for you. It's worked for a few of my other readers so I wonder if different brands of yogurt changes the texture of the brownies?! Nevertheless, thanks for taking the time to leave your feedback!

        Reply
    5. Chantelle says

      January 14, 2022 at 8:05 pm

      5 stars
      I loved this! It was easy to follow and it tasted SO good. Mine came out really fudgey and went down a treat in my house!

      I’m not too keen on beetroot, but this recipe seemed to have the right amount of ingredients so that I could barely taste the veg in it!

      I have been wanting to bake healthy brownies for a while now, I am so glad I found this recipe!

      Reply
    6. Francesca Connor says

      October 25, 2021 at 4:46 pm

      5 stars
      I have only just started my plant based journey and so I wanted something yummy where I didn’t feel as though I was being restrictive! These were very yummy and fudgey. The recipe was straight forward to make and I will be making a lot more recipes from this blog 🙂

      Reply
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